22473000 has 192 divisors, whose sum is σ = 83229120. Its totient is φ = 5424000.

The previous prime is 22472993. The next prime is 22473019. The reversal of 22473000 is 37422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98887 + ... + 99113.

It is an arithmetic number, because the mean of its divisors is an integer number (433485).

Almost surely, 2^22473000 is an apocalyptic number.

22473000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22473000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41614560).

22473000 is an abundant number, since it is smaller than the sum of its proper divisors (60756120).

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

22473000 is a wasteful number, since it uses less digits than its factorization.

22473000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 22473000 is about 4740.5695860308. The cubic root of 22473000 is about 282.1978391410.

The spelling of 22473000 in words is "twenty-two million, four hundred seventy-three thousand".