19953122 has 16 divisors (see below), whose sum is σ = 34852032. Its totient is φ = 8389680.

The previous prime is 19953083. The next prime is 19953137. The reversal of 19953122 is 22135991.

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, 12704 + ... + 14187.

It is an arithmetic number, because the mean of its divisors is an integer number (2178252).

Almost surely, 2^19953122 is an apocalyptic number.

19953122 is a deficient number, since it is larger than the sum of its proper divisors (14898910).

19953122 is a wasteful number, since it uses less digits than its factorization.

19953122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26953.

The product of its digits is 4860, while the sum is 32.

The square root of 19953122 is about 4466.8917604974. The cubic root of 19953122 is about 271.2295182989.

The spelling of 19953122 in words is "nineteen million, nine hundred fifty-three thousand, one hundred twenty-two".