1072225257 has 16 divisors (see below), whose sum is σ = 1469264832. Its totient is φ = 695027520.

The previous prime is 1072225249. The next prime is 1072225267. The reversal of 1072225257 is 7525222701.

It is not a de Polignac number, because 1072225257 - 2³ = 1072225249 is a prime.

It is a super-2 number, since 2×1072225257² = 2299334003497432098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072225237) 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, 249507 + ... + 253767.

It is an arithmetic number, because the mean of its divisors is an integer number (91829052).

Almost surely, 2^1072225257 is an apocalyptic number.

It is an amenable number.

1072225257 is a deficient number, since it is larger than the sum of its proper divisors (397039575).

1072225257 is a wasteful number, since it uses less digits than its factorization.

1072225257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 1072225257 is about 32744.8508471179. The cubic root of 1072225257 is about 1023.5176691796.

Adding to 1072225257 its reverse (7525222701), we get a palindrome (8597447958).

The spelling of 1072225257 in words is "one billion, seventy-two million, two hundred twenty-five thousand, two hundred fifty-seven".