88022772 has 36 divisors (see below), whose sum is σ = 230177220. Its totient is φ = 28328832.

The previous prime is 88022731. The next prime is 88022773. The reversal of 88022772 is 27722088.

It can be written as a sum of positive squares in 2 ways, for example, as 67174416 + 20848356 = 8196^2 + 4566^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88022773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41113 + ... + 43200.

Almost surely, 2^88022772 is an apocalyptic number.

It is an amenable number.

88022772 is an abundant number, since it is smaller than the sum of its proper divisors (142154448).

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

88022772 is a wasteful number, since it uses less digits than its factorization.

88022772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84352 (or 84347 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 88022772 is about 9382.0451928138. The cubic root of 88022772 is about 444.8343818311.

The spelling of 88022772 in words is "eighty-eight million, twenty-two thousand, seven hundred seventy-two".