22056629 has 4 divisors (see below), whose sum is σ = 25207584. Its totient is φ = 18905676.

The previous prime is 22056623. The next prime is 22056637. The reversal of 22056629 is 92665022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22056629 - 2¹² = 22052533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22056595 and 22056604.

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, 1575467 + ... + 1575480.

It is an arithmetic number, because the mean of its divisors is an integer number (6301896).

Almost surely, 2^22056629 is an apocalyptic number.

It is an amenable number.

22056629 is a deficient number, since it is larger than the sum of its proper divisors (3150955).

22056629 is an equidigital number, since it uses as much as digits as its factorization.

22056629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150954.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 22056629 is about 4696.4485518315. The cubic root of 22056629 is about 280.4441462968. Note that the first 3 decimals are identical.

The spelling of 22056629 in words is "twenty-two million, fifty-six thousand, six hundred twenty-nine".