22365234 has 48 divisors (see below), whose sum is σ = 53228448. Its totient is φ = 7013952.

The previous prime is 22365227. The next prime is 22365271. The reversal of 22365234 is 43256322.

22365234 is a `hidden beast` number, since 2 + 2 + 3 + 652 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22365198 and 22365207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6909 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (1108926).

Almost surely, 2^22365234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22365234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26614224).

22365234 is an abundant number, since it is smaller than the sum of its proper divisors (30863214).

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

22365234 is a wasteful number, since it uses less digits than its factorization.

22365234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2729 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 22365234 is about 4729.1895711633. The cubic root of 22365234 is about 281.7460366329.

The spelling of 22365234 in words is "twenty-two million, three hundred sixty-five thousand, two hundred thirty-four".