22503070 has 16 divisors (see below), whose sum is σ = 42888528. Its totient is φ = 8471680.

The previous prime is 22503031. The next prime is 22503073. The reversal of 22503070 is 7030522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22503073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66016 + ... + 66355.

It is an arithmetic number, because the mean of its divisors is an integer number (2680533).

Almost surely, 2^22503070 is an apocalyptic number.

22503070 is a deficient number, since it is larger than the sum of its proper divisors (20385458).

22503070 is a wasteful number, since it uses less digits than its factorization.

22503070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132395.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 22503070 is about 4743.7400856286. The cubic root of 22503070 is about 282.3236479942.

Adding to 22503070 its reverse (7030522), we get a palindrome (29533592).

The spelling of 22503070 in words is "twenty-two million, five hundred three thousand, seventy".