253306222 has 32 divisors (see below), whose sum is σ = 452112192. Its totient is φ = 105245184.

The previous prime is 253306219. The next prime is 253306223. The reversal of 253306222 is 222603352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253306223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293 + ... + 22624.

It is an arithmetic number, because the mean of its divisors is an integer number (14128506).

Almost surely, 2^253306222 is an apocalyptic number.

253306222 is a deficient number, since it is larger than the sum of its proper divisors (198805970).

253306222 is a wasteful number, since it uses less digits than its factorization.

253306222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24972.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 253306222 is about 15915.5968157025. The cubic root of 253306222 is about 632.7254244995.

Adding to 253306222 its reverse (222603352), we get a palindrome (475909574).

The spelling of 253306222 in words is "two hundred fifty-three million, three hundred six thousand, two hundred twenty-two".