1055228388 has 24 divisors (see below), whose sum is σ = 2469304992. Its totient is φ = 350727744.

The previous prime is 1055228353. The next prime is 1055228413. The reversal of 1055228388 is 8838225501.

It is a super-2 number, since 2×1055228388² = 2227013901682157088, which contains 22 as substring.

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, 122545 + ... + 130872.

It is an arithmetic number, because the mean of its divisors is an integer number (102887708).

Almost surely, 2^1055228388 is an apocalyptic number.

It is an amenable number.

1055228388 is an abundant number, since it is smaller than the sum of its proper divisors (1414076604).

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

1055228388 is a wasteful number, since it uses less digits than its factorization.

1055228388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253771 (or 253769 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 1055228388 is about 32484.2790900460. The cubic root of 1055228388 is about 1018.0805848901.

The spelling of 1055228388 in words is "one billion, fifty-five million, two hundred twenty-eight thousand, three hundred eighty-eight".