22056622 has 8 divisors (see below), whose sum is σ = 37811376. Its totient is φ = 9452832.

The previous prime is 22056607. The next prime is 22056623. The reversal of 22056622 is 22665022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787723 + ... + 787750.

It is an arithmetic number, because the mean of its divisors is an integer number (4726422).

Almost surely, 2^22056622 is an apocalyptic number.

22056622 is a deficient number, since it is larger than the sum of its proper divisors (15754754).

22056622 is a wasteful number, since it uses less digits than its factorization.

22056622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575482.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 22056622 is about 4696.4478065874. The cubic root of 22056622 is about 280.4441166291. Note that the first 3 decimals are identical.

Subtracting 22056622 from its reverse (22665022), we obtain a square (608400 = 780²).

The spelling of 22056622 in words is "twenty-two million, fifty-six thousand, six hundred twenty-two".