1075221888 has 64 divisors (see below), whose sum is σ = 3075769200. Its totient is φ = 330835968.

The previous prime is 1075221881. The next prime is 1075221911. The reversal of 1075221888 is 8881225701.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1075221888² = 2312204216868569088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075221881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102703 + ... + 112686.

Almost surely, 2^1075221888 is an apocalyptic number.

It is an amenable number.

1075221888 is an abundant number, since it is smaller than the sum of its proper divisors (2000547312).

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

1075221888 is a wasteful number, since it uses less digits than its factorization.

1075221888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215419 (or 215407 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 1075221888 is about 32790.5762071971. The cubic root of 1075221888 is about 1024.4702836583.

It can be divided in two parts, 10752 and 21888, that added together give a triangular number (32640 = T₂₅₅).

The spelling of 1075221888 in words is "one billion, seventy-five million, two hundred twenty-one thousand, eight hundred eighty-eight".