22140790 has 16 divisors (see below), whose sum is σ = 45546912. Its totient is φ = 7591104.

The previous prime is 22140787. The next prime is 22140791. The reversal of 22140790 is 9704122.

It is a super-3 number, since 3×22140790³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158079 + ... + 158218.

It is an arithmetic number, because the mean of its divisors is an integer number (2846682).

Almost surely, 2^22140790 is an apocalyptic number.

22140790 is an abundant number, since it is smaller than the sum of its proper divisors (23406122).

22140790 is a wasteful number, since it uses less digits than its factorization.

22140790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316311.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22140790 is about 4705.4000892591. The cubic root of 22140790 is about 280.8003884568.

The spelling of 22140790 in words is "twenty-two million, one hundred forty thousand, seven hundred ninety".