88722270 has 256 divisors, whose sum is σ = 305786880. Its totient is φ = 17791488.

The previous prime is 88722259. The next prime is 88722301. The reversal of 88722270 is 7222788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 565032 + ... + 565188.

It is an arithmetic number, because the mean of its divisors is an integer number (1194480).

Almost surely, 2^88722270 is an apocalyptic number.

88722270 is the 4710-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88722270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152893440).

88722270 is an abundant number, since it is smaller than the sum of its proper divisors (217064610).

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

88722270 is a wasteful number, since it uses less digits than its factorization.

88722270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 210 counting only the distinct ones).

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

The square root of 88722270 is about 9419.2499701409. The cubic root of 88722270 is about 446.0096085391.

It can be divided in two parts, 8 and 8722270, that added together give a palindrome (8722278).

The spelling of 88722270 in words is "eighty-eight million, seven hundred twenty-two thousand, two hundred seventy".