88242220 has 24 divisors (see below), whose sum is σ = 202155408. Its totient is φ = 32088000.

The previous prime is 88242139. The next prime is 88242233. The reversal of 88242220 is 2224288.

88242220 = T₄₀₀₀ + T₄₀₀₁ + ... + T₄₀₁₀.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200331 + ... + 200770.

It is an arithmetic number, because the mean of its divisors is an integer number (8423142).

Almost surely, 2^88242220 is an apocalyptic number.

It is an amenable number.

88242220 is an abundant number, since it is smaller than the sum of its proper divisors (113913188).

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

88242220 is a wasteful number, since it uses less digits than its factorization.

88242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401121 (or 401119 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 88242220 is about 9393.7330172834. The cubic root of 88242220 is about 445.2037445999.

The spelling of 88242220 in words is "eighty-eight million, two hundred forty-two thousand, two hundred twenty".