89722133 has 4 divisors (see below), whose sum is σ = 89855340. Its totient is φ = 89588928.

The previous prime is 89722121. The next prime is 89722147. The reversal of 89722133 is 33122798.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33122798 = 2 ⋅16561399.

It can be written as a sum of positive squares in 2 ways, for example, as 69588964 + 20133169 = 8342^2 + 4487^2 .

It is a cyclic number.

It is not a de Polignac number, because 89722133 - 2⁶ = 89722069 is a prime.

It is a super-2 number, since 2×89722133² = 16100122300139378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89722093 and 89722102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89722733) 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, 65588 + ... + 66941.

It is an arithmetic number, because the mean of its divisors is an integer number (22463835).

Almost surely, 2^89722133 is an apocalyptic number.

It is an amenable number.

89722133 is a deficient number, since it is larger than the sum of its proper divisors (133207).

89722133 is a wasteful number, since it uses less digits than its factorization.

89722133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133206.

The product of its digits is 18144, while the sum is 35.

The square root of 89722133 is about 9472.1767825564. The cubic root of 89722133 is about 447.6788012438.

The spelling of 89722133 in words is "eighty-nine million, seven hundred twenty-two thousand, one hundred thirty-three".