Search a number
-
+
222452031 = 374150677
BaseRepresentation
bin11010100001001…
…01100100111111
3120111120201211010
431100211210333
5423421431111
634023530303
75340545124
oct1520454477
9514521733
10222452031
1110462855a
12625b9993
1337118829
142178874b
15147e1aa6
hexd42593f

222452031 has 4 divisors (see below), whose sum is σ = 296602712. Its totient is φ = 148301352.

The previous prime is 222452023. The next prime is 222452033. The reversal of 222452031 is 130254222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 222452031 - 23 = 222452023 is a prime.

It is a super-2 number, since 2×2224520312 = 98969812192049922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222451989 and 222452007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222452033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37075336 + ... + 37075341.

It is an arithmetic number, because the mean of its divisors is an integer number (74150678).

Almost surely, 2222452031 is an apocalyptic number.

222452031 is a deficient number, since it is larger than the sum of its proper divisors (74150681).

222452031 is an equidigital number, since it uses as much as digits as its factorization.

222452031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74150680.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 222452031 is about 14914.8258789702. The cubic root of 222452031 is about 605.9155874755.

The spelling of 222452031 in words is "two hundred twenty-two million, four hundred fifty-two thousand, thirty-one".

Divisors: 1 3 74150677 222452031