22013294 has 4 divisors (see below), whose sum is σ = 33019944. Its totient is φ = 11006646.

The previous prime is 22013281. The next prime is 22013339. The reversal of 22013294 is 49231022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49231022 = 2 ⋅24615511.

It is a super-2 number, since 2×22013294² = 969170225460872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503322 + ... + 5503325.

It is an arithmetic number, because the mean of its divisors is an integer number (8254986).

Almost surely, 2^22013294 is an apocalyptic number.

22013294 is a deficient number, since it is larger than the sum of its proper divisors (11006650).

22013294 is a wasteful number, since it uses less digits than its factorization.

22013294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006649.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22013294 is about 4691.8326909642. The cubic root of 22013294 is about 280.2603615659.

The spelling of 22013294 in words is "twenty-two million, thirteen thousand, two hundred ninety-four".