22342473 has 20 divisors (see below), whose sum is σ = 33684948. Its totient is φ = 14757120.

The previous prime is 22342469. The next prime is 22342511. The reversal of 22342473 is 37424322.

It can be written as a sum of positive squares in 2 ways, for example, as 1108809 + 21233664 = 1053^2 + 4608^2 .

It is not a de Polignac number, because 22342473 - 2² = 22342469 is a prime.

It is a super-3 number, since 3×22342473³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22342433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7933 + ... + 10373.

Almost surely, 2^22342473 is an apocalyptic number.

It is an amenable number.

22342473 is a deficient number, since it is larger than the sum of its proper divisors (11342475).

22342473 is a wasteful number, since it uses less digits than its factorization.

22342473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566 (or 2557 counting only the distinct ones).

The product of its digits is 8064, while the sum is 27.

The square root of 22342473 is about 4726.7825209121. The cubic root of 22342473 is about 281.6504269588.

Adding to 22342473 its reverse (37424322), we get a palindrome (59766795).

The spelling of 22342473 in words is "twenty-two million, three hundred forty-two thousand, four hundred seventy-three".