22143076 has 6 divisors (see below), whose sum is σ = 38750390. Its totient is φ = 11071536.

The previous prime is 22143073. The next prime is 22143091. The reversal of 22143076 is 67034122.

It can be written as a sum of positive squares in only one way, i.e., 15792676 + 6350400 = 3974^2 + 2520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22143076.

It is not an unprimeable number, because it can be changed into a prime (22143071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2767881 + ... + 2767888.

Almost surely, 2^22143076 is an apocalyptic number.

It is an amenable number.

22143076 is a deficient number, since it is larger than the sum of its proper divisors (16607314).

22143076 is a wasteful number, since it uses less digits than its factorization.

22143076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535773 (or 5535771 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22143076 is about 4705.6429953833. The cubic root of 22143076 is about 280.8100521830.

Adding to 22143076 its reverse (67034122), we get a palindrome (89177198).

The spelling of 22143076 in words is "twenty-two million, one hundred forty-three thousand, seventy-six".