22206998 has 16 divisors (see below), whose sum is σ = 38476944. Its totient is φ = 9500160.

The previous prime is 22206973. The next prime is 22207019. The reversal of 22206998 is 89960222.

It is a congruent number.

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, 29315 + ... + 30062.

It is an arithmetic number, because the mean of its divisors is an integer number (2404809).

Almost surely, 2^22206998 is an apocalyptic number.

22206998 is a deficient number, since it is larger than the sum of its proper divisors (16269946).

22206998 is a wasteful number, since it uses less digits than its factorization.

22206998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59407.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 22206998 is about 4712.4301586337. The cubic root of 22206998 is about 281.0800040684.

It can be divided in two parts, 22 and 206998, that multiplied together give a square (4553956 = 2134²).

The spelling of 22206998 in words is "twenty-two million, two hundred six thousand, nine hundred ninety-eight".