22054156 has 6 divisors (see below), whose sum is σ = 38594780. Its totient is φ = 11027076.

The previous prime is 22054147. The next prime is 22054159. The reversal of 22054156 is 65145022.

It is a self number, because there is not a number n which added to its sum of digits gives 22054156.

It is not an unprimeable number, because it can be changed into a prime (22054159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756766 + ... + 2756773.

Almost surely, 2^22054156 is an apocalyptic number.

It is an amenable number.

22054156 is a deficient number, since it is larger than the sum of its proper divisors (16540624).

22054156 is a wasteful number, since it uses less digits than its factorization.

22054156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513543 (or 5513541 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 22054156 is about 4696.1852604002. The cubic root of 22054156 is about 280.4336647269.

Adding to 22054156 its reverse (65145022), we get a palindrome (87199178).

The spelling of 22054156 in words is "twenty-two million, fifty-four thousand, one hundred fifty-six".