88722501 has 16 divisors (see below), whose sum is σ = 136232448. Its totient is φ = 50310000.

The previous prime is 88722499. The next prime is 88722503. The reversal of 88722501 is 10522788.

It is an interprime number because it is at equal distance from previous prime (88722499) and next prime (88722503).

It is not a de Polignac number, because 88722501 - 2¹ = 88722499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88722503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13375 + ... + 18876.

It is an arithmetic number, because the mean of its divisors is an integer number (8514528).

Almost surely, 2^88722501 is an apocalyptic number.

It is an amenable number.

88722501 is a deficient number, since it is larger than the sum of its proper divisors (47509947).

88722501 is a wasteful number, since it uses less digits than its factorization.

88722501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32392.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 88722501 is about 9419.2622322558. The cubic root of 88722501 is about 446.0099956201.

The spelling of 88722501 in words is "eighty-eight million, seven hundred twenty-two thousand, five hundred one".