19226966974 has 16 divisors (see below), whose sum is σ = 29548023120. Its totient is φ = 9377691840.

The previous prime is 19226966963. The next prime is 19226966977. The reversal of 19226966974 is 47966962291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19226966977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843937 + ... + 866419.

It is an arithmetic number, because the mean of its divisors is an integer number (1846751445).

Almost surely, 2^19226966974 is an apocalyptic number.

19226966974 is a deficient number, since it is larger than the sum of its proper divisors (10321056146).

19226966974 is a wasteful number, since it uses less digits than its factorization.

19226966974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32955.

The product of its digits is 17635968, while the sum is 61.

The spelling of 19226966974 in words is "nineteen billion, two hundred twenty-six million, nine hundred sixty-six thousand, nine hundred seventy-four".