22402070 has 16 divisors (see below), whose sum is σ = 40378608. Its totient is φ = 8948640.

The previous prime is 22402063. The next prime is 22402091. The reversal of 22402070 is 7020422.

It is a Curzon number.

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, 11465 + ... + 13275.

It is an arithmetic number, because the mean of its divisors is an integer number (2523663).

Almost surely, 2^22402070 is an apocalyptic number.

22402070 is a deficient number, since it is larger than the sum of its proper divisors (17976538).

22402070 is a wasteful number, since it uses less digits than its factorization.

22402070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 22402070 is about 4733.0825050912. The cubic root of 22402070 is about 281.9006322939.

Adding to 22402070 its reverse (7020422), we get a palindrome (29422492).

The spelling of 22402070 in words is "twenty-two million, four hundred two thousand, seventy".