Search a number
-
+
122217486 = 2320369581
BaseRepresentation
bin1110100100011…
…10010000001110
322111222021212120
413102032100032
5222241424421
620043313410
73012555126
oct722162016
9274867776
10122217486
1162a96896
1234b1b866
131c422351
1412335c86
15aae28c6
hex748e40e

122217486 has 8 divisors (see below), whose sum is σ = 244434984. Its totient is φ = 40739160.

The previous prime is 122217479. The next prime is 122217493. The reversal of 122217486 is 684712221.

It is an interprime number because it is at equal distance from previous prime (122217479) and next prime (122217493).

It is a sphenic number, since it is the product of 3 distinct primes.

122217486 is an admirable number.

It is a super-2 number, since 2×1222174862 = 29874227768320392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10184785 + ... + 10184796.

It is an arithmetic number, because the mean of its divisors is an integer number (30554373).

Almost surely, 2122217486 is an apocalyptic number.

122217486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122217486 is a wasteful number, since it uses less digits than its factorization.

122217486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20369586.

The product of its digits is 10752, while the sum is 33.

The square root of 122217486 is about 11055.2017620666. The cubic root of 122217486 is about 496.2621072831.

The spelling of 122217486 in words is "one hundred twenty-two million, two hundred seventeen thousand, four hundred eighty-six".

Divisors: 1 2 3 6 20369581 40739162 61108743 122217486