22015050 has 24 divisors (see below), whose sum is σ = 54597696. Its totient is φ = 5870640.

The previous prime is 22015027. The next prime is 22015067. The reversal of 22015050 is 5051022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73234 + ... + 73533.

It is an arithmetic number, because the mean of its divisors is an integer number (2274904).

Almost surely, 2^22015050 is an apocalyptic number.

22015050 is an abundant number, since it is smaller than the sum of its proper divisors (32582646).

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

22015050 is a wasteful number, since it uses less digits than its factorization.

22015050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146782 (or 146777 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 22015050 is about 4692.0198209300. The cubic root of 22015050 is about 280.2678134888.

Adding to 22015050 its reverse (5051022), we get a palindrome (27066072).

The spelling of 22015050 in words is "twenty-two million, fifteen thousand, fifty".