88722101 has 4 divisors (see below), whose sum is σ = 95546892. Its totient is φ = 81897312.

The previous prime is 88722091. The next prime is 88722119. The reversal of 88722101 is 10122788.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48094225 + 40627876 = 6935^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 88722101 - 2¹⁰ = 88721077 is a prime.

It is a super-2 number, since 2×88722101² = 15743222411708402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88722131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3412376 + ... + 3412401.

It is an arithmetic number, because the mean of its divisors is an integer number (23886723).

Almost surely, 2^88722101 is an apocalyptic number.

It is an amenable number.

88722101 is a deficient number, since it is larger than the sum of its proper divisors (6824791).

88722101 is a wasteful number, since it uses less digits than its factorization.

88722101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824790.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 88722101 is about 9419.2409991464. The cubic root of 88722101 is about 446.0093253495.

Adding to 88722101 its reverse (10122788), we get a palindrome (98844889).

The spelling of 88722101 in words is "eighty-eight million, seven hundred twenty-two thousand, one hundred one".