22040010 has 24 divisors (see below), whose sum is σ = 57304260. Its totient is φ = 5877312.

The previous prime is 22040009. The next prime is 22040023. The reversal of 22040010 is 1004022.

It can be written as a sum of positive squares in 2 ways, for example, as 19105641 + 2934369 = 4371^2 + 1713^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22039974 and 22040001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122355 + ... + 122534.

Almost surely, 2^22040010 is an apocalyptic number.

22040010 is an abundant number, since it is smaller than the sum of its proper divisors (35264250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22040010 is a wasteful number, since it uses less digits than its factorization.

22040010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244902 (or 244899 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 22040010 is about 4694.6789027579. The cubic root of 22040010 is about 280.3736932171.

Adding to 22040010 its reverse (1004022), we get a palindrome (23044032).

The spelling of 22040010 in words is "twenty-two million, forty thousand, ten".