22515002430 has 16 divisors (see below), whose sum is σ = 54036005904. Its totient is φ = 6004000640.

The previous prime is 22515002399. The next prime is 22515002483. The reversal of 22515002430 is 3420051522.

It is a self number, because there is not a number n which added to its sum of digits gives 22515002430.

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, 375250011 + ... + 375250070.

It is an arithmetic number, because the mean of its divisors is an integer number (3377250369).

Almost surely, 2^22515002430 is an apocalyptic number.

22515002430 is an abundant number, since it is smaller than the sum of its proper divisors (31521003474).

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

22515002430 is a wasteful number, since it uses less digits than its factorization.

22515002430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750500091.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 22515002430 its reverse (3420051522), we get a palindrome (25935053952).

The spelling of 22515002430 in words is "twenty-two billion, five hundred fifteen million, two thousand, four hundred thirty".