22994422 has 32 divisors (see below), whose sum is σ = 39029760. Its totient is φ = 10069920.

The previous prime is 22994417. The next prime is 22994423. The reversal of 22994422 is 22449922.

It is a super-2 number, since 2×22994422² = 1057486886228168, which contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22994423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103003 + ... + 103225.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^22994422 is an apocalyptic number.

22994422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22994422 is the 2398-th decagonal number.

22994422 is a deficient number, since it is larger than the sum of its proper divisors (16035338).

22994422 is a wasteful number, since it uses less digits than its factorization.

22994422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

The product of its digits is 20736, while the sum is 34.

The square root of 22994422 is about 4795.2499413482. The cubic root of 22994422 is about 284.3637061409.

The spelling of 22994422 in words is "twenty-two million, nine hundred ninety-four thousand, four hundred twenty-two".