22300473 has 16 divisors (see below), whose sum is σ = 32109056. Its totient is φ = 13685760.

The previous prime is 22300459. The next prime is 22300477. The reversal of 22300473 is 37400322.

It is a happy number.

It is not a de Polignac number, because 22300473 - 2⁴ = 22300457 is a prime.

It is a super-2 number, since 2×22300473² = 994622192047458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22300477) 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, 22008 + ... + 22998.

It is an arithmetic number, because the mean of its divisors is an integer number (2006816).

Almost surely, 2^22300473 is an apocalyptic number.

It is an amenable number.

22300473 is a deficient number, since it is larger than the sum of its proper divisors (9808583).

22300473 is a wasteful number, since it uses less digits than its factorization.

22300473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 22300473 is about 4722.3376626412. The cubic root of 22300473 is about 281.4738314965.

Adding to 22300473 its reverse (37400322), we get a palindrome (59700795).

The spelling of 22300473 in words is "twenty-two million, three hundred thousand, four hundred seventy-three".