3223557138 has 32 divisors (see below), whose sum is σ = 6794726400. Its totient is φ = 1016721936.

The previous prime is 3223557137. The next prime is 3223557173. The reversal of 3223557138 is 8317553223.

It is a junction number, because it is equal to n+sod(n) for n = 3223557096 and 3223557105.

It is not an unprimeable number, because it can be changed into a prime (3223557133) 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, 78795 + ... + 112497.

It is an arithmetic number, because the mean of its divisors is an integer number (212335200).

Almost surely, 2^3223557138 is an apocalyptic number.

3223557138 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3223557138 is an abundant number, since it is smaller than the sum of its proper divisors (3571169262).

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

3223557138 is a wasteful number, since it uses less digits than its factorization.

3223557138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34566.

The product of its digits is 151200, while the sum is 39.

The square root of 3223557138 is about 56776.3783452238. The cubic root of 3223557138 is about 1477.2198138541.

The spelling of 3223557138 in words is "three billion, two hundred twenty-three million, five hundred fifty-seven thousand, one hundred thirty-eight".