22029898 has 16 divisors (see below), whose sum is σ = 36146880. Its totient is φ = 9986400.

The previous prime is 22029863. The next prime is 22029901. The reversal of 22029898 is 89892022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22029898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8518 + ... + 10798.

It is an arithmetic number, because the mean of its divisors is an integer number (2259180).

Almost surely, 2^22029898 is an apocalyptic number.

22029898 is a deficient number, since it is larger than the sum of its proper divisors (14116982).

22029898 is a wasteful number, since it uses less digits than its factorization.

22029898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 22029898 is about 4693.6018152374. The cubic root of 22029898 is about 280.3308079902.

It can be divided in two parts, 2202 and 9898, that added together give a square (12100 = 110²).

The spelling of 22029898 in words is "twenty-two million, twenty-nine thousand, eight hundred ninety-eight".