88229290 has 16 divisors (see below), whose sum is σ = 159827112. Its totient is φ = 35066304.

The previous prime is 88229243. The next prime is 88229291. The reversal of 88229290 is 9292288.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32024281 + 56205009 = 5659^2 + 7497^2 .

It is a super-2 number, since 2×88229290² = 15568815227808200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88229291) by changing a digit.

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, 26529 + ... + 29668.

Almost surely, 2^88229290 is an apocalyptic number.

88229290 is a deficient number, since it is larger than the sum of its proper divisors (71597822).

88229290 is a wasteful number, since it uses less digits than its factorization.

88229290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56361.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 88229290 is about 9393.0447672733. The cubic root of 88229290 is about 445.1819985257.

The spelling of 88229290 in words is "eighty-eight million, two hundred twenty-nine thousand, two hundred ninety".