22373487 has 12 divisors (see below), whose sum is σ = 32483880. Its totient is φ = 14838768.

The previous prime is 22373453. The next prime is 22373497. The reversal of 22373487 is 78437322.

It is not a de Polignac number, because 22373487 - 2⁶ = 22373423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22373437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4537 + ... + 8082.

It is an arithmetic number, because the mean of its divisors is an integer number (2706990).

Almost surely, 2^22373487 is an apocalyptic number.

22373487 is a deficient number, since it is larger than the sum of its proper divisors (10110393).

22373487 is a wasteful number, since it uses less digits than its factorization.

22373487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822 (or 12819 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 22373487 is about 4730.0620503330. The cubic root of 22373487 is about 281.7806880937.

The spelling of 22373487 in words is "twenty-two million, three hundred seventy-three thousand, four hundred eighty-seven".