Search a number
-
+
122445225 = 3252777743
BaseRepresentation
bin1110100110001…
…01110110101001
322112101212021100
413103011312221
5222321221400
620052232013
73014524110
oct723056651
9275355240
10122445225
1163131a01
123500b609
131c4a1bc6
1412394c77
15ab3a100
hex74c5da9

122445225 has 36 divisors (see below), whose sum is σ = 250646656. Its totient is φ = 55974240.

The previous prime is 122445223. The next prime is 122445227. The reversal of 122445225 is 522544221.

It is an interprime number because it is at equal distance from previous prime (122445223) and next prime (122445227).

It is not a de Polignac number, because 122445225 - 21 = 122445223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122445223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37297 + ... + 40446.

Almost surely, 2122445225 is an apocalyptic number.

122445225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122445225 is an abundant number, since it is smaller than the sum of its proper divisors (128201431).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122445225 is a wasteful number, since it uses less digits than its factorization.

122445225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77766 (or 77758 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 122445225 is about 11065.4970516466. The cubic root of 122445225 is about 496.5701595192.

Adding to 122445225 its reverse (522544221), we get a palindrome (644989446).

The spelling of 122445225 in words is "one hundred twenty-two million, four hundred forty-five thousand, two hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 525 1575 77743 233229 388715 544201 699687 1166145 1632603 1943575 2721005 3498435 4897809 5830725 8163015 13605025 17492175 24489045 40815075 122445225