22049638 has 16 divisors (see below), whose sum is σ = 35700336. Its totient is φ = 10153440.

The previous prime is 22049623. The next prime is 22049641. The reversal of 22049638 is 83694022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16545 + ... + 17827.

It is an arithmetic number, because the mean of its divisors is an integer number (2231271).

Almost surely, 2^22049638 is an apocalyptic number.

22049638 is a deficient number, since it is larger than the sum of its proper divisors (13650698).

22049638 is a wasteful number, since it uses less digits than its factorization.

22049638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 22049638 is about 4695.7042070386. The cubic root of 22049638 is about 280.4145135999.

The spelling of 22049638 in words is "twenty-two million, forty-nine thousand, six hundred thirty-eight".