265122222 has 32 divisors (see below), whose sum is σ = 535127040. Its totient is φ = 87564960.

The previous prime is 265122217. The next prime is 265122239. The reversal of 265122222 is 222221562.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 265122192 and 265122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419847 + ... + 420477.

It is an arithmetic number, because the mean of its divisors is an integer number (16722720).

Almost surely, 2^265122222 is an apocalyptic number.

265122222 is an abundant number, since it is smaller than the sum of its proper divisors (270004818).

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

265122222 is a wasteful number, since it uses less digits than its factorization.

265122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168.

The product of its digits is 1920, while the sum is 24.

The square root of 265122222 is about 16282.5741822354. The cubic root of 265122222 is about 642.4145622639.

Adding to 265122222 its reverse (222221562), we get a palindrome (487343784).

The spelling of 265122222 in words is "two hundred sixty-five million, one hundred twenty-two thousand, two hundred twenty-two".