22226998 has 16 divisors (see below), whose sum is σ = 35215920. Its totient is φ = 10492416.

The previous prime is 22226989. The next prime is 22226999. The reversal of 22226998 is 89962222.

It is a self number, because there is not a number n which added to its sum of digits gives 22226998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12586 + ... + 14242.

It is an arithmetic number, because the mean of its divisors is an integer number (2200995).

Almost surely, 2^22226998 is an apocalyptic number.

22226998 is a deficient number, since it is larger than the sum of its proper divisors (12988922).

22226998 is a wasteful number, since it uses less digits than its factorization.

22226998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031.

The product of its digits is 62208, while the sum is 40.

The square root of 22226998 is about 4714.5517284255. The cubic root of 22226998 is about 281.1643605595.

The spelling of 22226998 in words is "twenty-two million, two hundred twenty-six thousand, nine hundred ninety-eight".