22107660 has 48 divisors (see below), whose sum is σ = 62210400. Its totient is φ = 5865984.

The previous prime is 22107643. The next prime is 22107661. The reversal of 22107660 is 6670122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22107660.

It is not an unprimeable number, because it can be changed into a prime (22107661) 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, 12936 + ... + 14544.

It is an arithmetic number, because the mean of its divisors is an integer number (1296050).

Almost surely, 2^22107660 is an apocalyptic number.

22107660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22107660 is an abundant number, since it is smaller than the sum of its proper divisors (40102740).

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

22107660 is a wasteful number, since it uses less digits than its factorization.

22107660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 22107660 is about 4701.8783480647. The cubic root of 22107660 is about 280.6602615565.

Adding to 22107660 its reverse (6670122), we get a palindrome (28777782).

It can be divided in two parts, 2210 and 7660, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 22107660 in words is "twenty-two million, one hundred seven thousand, six hundred sixty".