19970022 has 16 divisors (see below), whose sum is σ = 40091760. Its totient is φ = 6631392.

The previous prime is 19970011. The next prime is 19970039. The reversal of 19970022 is 22007991.

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, 4573 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (2505735).

Almost surely, 2^19970022 is an apocalyptic number.

19970022 is an abundant number, since it is smaller than the sum of its proper divisors (20121738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19970022 is a wasteful number, since it uses less digits than its factorization.

19970022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12647.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 19970022 is about 4468.7830558218. The cubic root of 19970022 is about 271.3060724899.

The spelling of 19970022 in words is "nineteen million, nine hundred seventy thousand, twenty-two".