21949000922 has 8 divisors (see below), whose sum is σ = 33141538272. Its totient is φ = 10901821500.

The previous prime is 21949000903. The next prime is 21949000939. The reversal of 21949000922 is 22900094912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a pancake number, because a pancake can be divided into 21949000922 parts by 209518 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36339104 + ... + 36339707.

It is an arithmetic number, because the mean of its divisors is an integer number (4142692284).

Almost surely, 2^21949000922 is an apocalyptic number.

21949000922 is a deficient number, since it is larger than the sum of its proper divisors (11192537350).

21949000922 is a wasteful number, since it uses less digits than its factorization.

21949000922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72678964.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 21949000922 in words is "twenty-one billion, nine hundred forty-nine million, nine hundred twenty-two", and thus it is an aban number.