89722225 has 12 divisors (see below), whose sum is σ = 114263644. Its totient is φ = 69837120.

The previous prime is 89722223. The next prime is 89722229. The reversal of 89722225 is 52222798.

It can be written as a sum of positive squares in 6 ways, for example, as 2934369 + 86787856 = 1713^2 + 9316^2 .

It is not a de Polignac number, because 89722225 - 2¹ = 89722223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89722223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47574 + ... + 49423.

Almost surely, 2^89722225 is an apocalyptic number.

It is an amenable number.

89722225 is a deficient number, since it is larger than the sum of its proper divisors (24541419).

89722225 is a wasteful number, since it uses less digits than its factorization.

89722225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97044 (or 97039 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 89722225 is about 9472.1816388834. The cubic root of 89722225 is about 447.6789542585.

The spelling of 89722225 in words is "eighty-nine million, seven hundred twenty-two thousand, two hundred twenty-five".