22313473 has 24 divisors (see below), whose sum is σ = 29187648. Its totient is φ = 16875936.

The previous prime is 22313453. The next prime is 22313491. The reversal of 22313473 is 37431322.

It is not a de Polignac number, because 22313473 - 2¹³ = 22305281 is a prime.

It is a super-3 number, since 3×22313473³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22313413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13890 + ... + 15412.

It is an arithmetic number, because the mean of its divisors is an integer number (1216152).

Almost surely, 2^22313473 is an apocalyptic number.

22313473 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22313473 is a deficient number, since it is larger than the sum of its proper divisors (6874175).

22313473 is a wasteful number, since it uses less digits than its factorization.

22313473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1566 counting only the distinct ones).

The product of its digits is 3024, while the sum is 25.

The square root of 22313473 is about 4723.7138990417. The cubic root of 22313473 is about 281.5285156730.

Adding to 22313473 its reverse (37431322), we get a palindrome (59744795).

The spelling of 22313473 in words is "twenty-two million, three hundred thirteen thousand, four hundred seventy-three".