22415480 has 32 divisors (see below), whose sum is σ = 52064640. Its totient is φ = 8676480.

The previous prime is 22415461. The next prime is 22415483. The reversal of 22415480 is 8451422.

22415480 = T₃₉₅ + T₃₉₆ + ... + T₅₈₀.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22415483) 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, 7799 + ... + 10278.

It is an arithmetic number, because the mean of its divisors is an integer number (1627020).

Almost surely, 2^22415480 is an apocalyptic number.

22415480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22415480 is an abundant number, since it is smaller than the sum of its proper divisors (29649160).

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

22415480 is a wasteful number, since it uses less digits than its factorization.

22415480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18119 (or 18115 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 22415480 is about 4734.4989175202. The cubic root of 22415480 is about 281.9568701539.

The spelling of 22415480 in words is "twenty-two million, four hundred fifteen thousand, four hundred eighty".