22056699 has 16 divisors (see below), whose sum is σ = 34519808. Its totient is φ = 12262752.

The previous prime is 22056673. The next prime is 22056743. The reversal of 22056699 is 99665022.

It is not a de Polignac number, because 22056699 - 2⁷ = 22056571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22056649) 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, 13417 + ... + 14970.

It is an arithmetic number, because the mean of its divisors is an integer number (2157488).

Almost surely, 2^22056699 is an apocalyptic number.

22056699 is a deficient number, since it is larger than the sum of its proper divisors (12463109).

22056699 is a wasteful number, since it uses less digits than its factorization.

22056699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28434.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 22056699 is about 4696.4560042653. The cubic root of 22056699 is about 280.4444429736. Note that the first 5 decimals are identical.

The spelling of 22056699 in words is "twenty-two million, fifty-six thousand, six hundred ninety-nine".