23002272 has 96 divisors (see below), whose sum is σ = 68140800. Its totient is φ = 7547904.

The previous prime is 23002267. The next prime is 23002327. The reversal of 23002272 is 27220032.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68088 + ... + 68424.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^23002272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23002272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34070400).

23002272 is an abundant number, since it is smaller than the sum of its proper divisors (45138528).

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

23002272 is a wasteful number, since it uses less digits than its factorization.

23002272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 23002272 is about 4796.0683898377. The cubic root of 23002272 is about 284.3960618301.

The spelling of 23002272 in words is "twenty-three million, two thousand, two hundred seventy-two".