1072657228 has 24 divisors (see below), whose sum is σ = 2005819200. Its totient is φ = 500145408.

The previous prime is 1072657219. The next prime is 1072657237. The reversal of 1072657228 is 8227562701.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1072657219) and next prime (1072657237).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64948 + ... + 79771.

It is an arithmetic number, because the mean of its divisors is an integer number (83575800).

Almost surely, 2^1072657228 is an apocalyptic number.

It is an amenable number.

1072657228 is a deficient number, since it is larger than the sum of its proper divisors (933161972).

1072657228 is a wasteful number, since it uses less digits than its factorization.

1072657228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144849 (or 144847 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 1072657228 is about 32751.4461970765. The cubic root of 1072657228 is about 1023.6551000621.

The spelling of 1072657228 in words is "one billion, seventy-two million, six hundred fifty-seven thousand, two hundred twenty-eight".