22613340 has 24 divisors (see below), whose sum is σ = 63317520. Its totient is φ = 6030208.

The previous prime is 22613333. The next prime is 22613369. The reversal of 22613340 is 4331622.

It is a happy number.

It is a super-2 number, since 2×22613340² = 1022726291911200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188385 + ... + 188504.

It is an arithmetic number, because the mean of its divisors is an integer number (2638230).

Almost surely, 2^22613340 is an apocalyptic number.

22613340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22613340 is an abundant number, since it is smaller than the sum of its proper divisors (40704180).

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

22613340 is a wasteful number, since it uses less digits than its factorization.

22613340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376901 (or 376899 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22613340 is about 4755.3485676657. The cubic root of 22613340 is about 282.7840461489.

Adding to 22613340 its reverse (4331622), we get a palindrome (26944962).

The spelling of 22613340 in words is "twenty-two million, six hundred thirteen thousand, three hundred forty".