22029494 has 4 divisors (see below), whose sum is σ = 33044244. Its totient is φ = 11014746.

The previous prime is 22029487. The next prime is 22029529. The reversal of 22029494 is 49492022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49492022 = 2 ⋅24746011.

It is a self number, because there is not a number n which added to its sum of digits gives 22029494.

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, 5507372 + ... + 5507375.

It is an arithmetic number, because the mean of its divisors is an integer number (8261061).

Almost surely, 2^22029494 is an apocalyptic number.

22029494 is a deficient number, since it is larger than the sum of its proper divisors (11014750).

22029494 is a wasteful number, since it uses less digits than its factorization.

22029494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11014749.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 22029494 is about 4693.5587777293. The cubic root of 22029494 is about 280.3290943442.

The spelling of 22029494 in words is "twenty-two million, twenty-nine thousand, four hundred ninety-four".