22473020 has 12 divisors (see below), whose sum is σ = 47193384. Its totient is φ = 8989200.

The previous prime is 22473019. The next prime is 22473037. The reversal of 22473020 is 2037422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1123651 = 22473020 / (2 + 2 + 4 + 7 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22472983 and 22473001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561806 + ... + 561845.

It is an arithmetic number, because the mean of its divisors is an integer number (3932782).

Almost surely, 2^22473020 is an apocalyptic number.

22473020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22473020 is an abundant number, since it is smaller than the sum of its proper divisors (24720364).

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

22473020 is a wasteful number, since it uses less digits than its factorization.

22473020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123660 (or 1123658 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22473020 is about 4740.5716954815. The cubic root of 22473020 is about 282.1979228556.

The spelling of 22473020 in words is "twenty-two million, four hundred seventy-three thousand, twenty".