22047694 has 8 divisors (see below), whose sum is σ = 33399288. Its totient is φ = 10914600.

The previous prime is 22047689. The next prime is 22047713. The reversal of 22047694 is 49674022.

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

It is a super-2 number, since 2×22047694² = 972201621435272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54372 + ... + 54775.

It is an arithmetic number, because the mean of its divisors is an integer number (4174911).

Almost surely, 2^22047694 is an apocalyptic number.

22047694 is a deficient number, since it is larger than the sum of its proper divisors (11351594).

22047694 is a wasteful number, since it uses less digits than its factorization.

22047694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109250.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 22047694 is about 4695.4972047697. The cubic root of 22047694 is about 280.4062724694.

The spelling of 22047694 in words is "twenty-two million, forty-seven thousand, six hundred ninety-four".