20924222 has 8 divisors (see below), whose sum is σ = 34239672. Its totient is φ = 9511000.

The previous prime is 20924213. The next prime is 20924231. The reversal of 20924222 is 22242902.

It is an interprime number because it is at equal distance from previous prime (20924213) and next prime (20924231).

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

It is a congruent number.

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, 475529 + ... + 475572.

It is an arithmetic number, because the mean of its divisors is an integer number (4279959).

Almost surely, 2^20924222 is an apocalyptic number.

20924222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20924222 is a deficient number, since it is larger than the sum of its proper divisors (13315450).

20924222 is a wasteful number, since it uses less digits than its factorization.

20924222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951114.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20924222 is about 4574.3001650526. The cubic root of 20924222 is about 275.5601672712.

The spelling of 20924222 in words is "twenty million, nine hundred twenty-four thousand, two hundred twenty-two".