22402772 has 48 divisors (see below), whose sum is σ = 46448640. Its totient is φ = 9256800.

The previous prime is 22402771. The next prime is 22402777. The reversal of 22402772 is 27720422.

It is a happy number.

22402772 is a modest number, since divided by 2772 gives 2240 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117197 + ... + 117387.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^22402772 is an apocalyptic number.

It is an amenable number.

22402772 is an abundant number, since it is smaller than the sum of its proper divisors (24045868).

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

22402772 is a wasteful number, since it uses less digits than its factorization.

22402772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 22402772 is about 4733.1566633696. The cubic root of 22402772 is about 281.9035768459.

The spelling of 22402772 in words is "twenty-two million, four hundred two thousand, seven hundred seventy-two".