22229974 has 8 divisors (see below), whose sum is σ = 35910000. Its totient is φ = 10259976.

The previous prime is 22229971. The next prime is 22229993. The reversal of 22229974 is 47992222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22229971) 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, 427474 + ... + 427525.

It is an arithmetic number, because the mean of its divisors is an integer number (4488750).

Almost surely, 2^22229974 is an apocalyptic number.

22229974 is a deficient number, since it is larger than the sum of its proper divisors (13680026).

22229974 is a wasteful number, since it uses less digits than its factorization.

22229974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855014.

The product of its digits is 36288, while the sum is 37.

The square root of 22229974 is about 4714.8673364157. The cubic root of 22229974 is about 281.1769084798.

It can be divided in two parts, 2222997 and 4, that multiplied together give a palindrome (8891988).

The spelling of 22229974 in words is "twenty-two million, two hundred twenty-nine thousand, nine hundred seventy-four".