22973340 has 48 divisors (see below), whose sum is σ = 69275808. Its totient is φ = 5654784.

The previous prime is 22973333. The next prime is 22973347. The reversal of 22973340 is 4337922.

It is an interprime number because it is at equal distance from previous prime (22973333) and next prime (22973347).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22973298 and 22973307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22973347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13947 + ... + 15506.

It is an arithmetic number, because the mean of its divisors is an integer number (1443246).

Almost surely, 2^22973340 is an apocalyptic number.

22973340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22973340 is an abundant number, since it is smaller than the sum of its proper divisors (46302468).

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

22973340 is a wasteful number, since it uses less digits than its factorization.

22973340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29478 (or 29476 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 22973340 is about 4793.0512202563. The cubic root of 22973340 is about 284.2767750769.

The spelling of 22973340 in words is "twenty-two million, nine hundred seventy-three thousand, three hundred forty".