22146044 has 6 divisors (see below), whose sum is σ = 38755584. Its totient is φ = 11073020.

The previous prime is 22146043. The next prime is 22146101. The reversal of 22146044 is 44064122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2768252 + ... + 2768259.

It is an arithmetic number, because the mean of its divisors is an integer number (6459264).

Almost surely, 2^22146044 is an apocalyptic number.

It is an amenable number.

22146044 is a deficient number, since it is larger than the sum of its proper divisors (16609540).

22146044 is a wasteful number, since it uses less digits than its factorization.

22146044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536515 (or 5536513 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22146044 is about 4705.9583508569. The cubic root of 22146044 is about 280.8225979708.

The spelling of 22146044 in words is "twenty-two million, one hundred forty-six thousand, forty-four".