22601140 has 12 divisors (see below), whose sum is σ = 47462436. Its totient is φ = 9040448.

The previous prime is 22601123. The next prime is 22601147. The reversal of 22601140 is 4110622.

It can be written as a sum of positive squares in 2 ways, for example, as 12194064 + 10407076 = 3492^2 + 3226^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22601147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565009 + ... + 565048.

It is an arithmetic number, because the mean of its divisors is an integer number (3955203).

Almost surely, 2^22601140 is an apocalyptic number.

22601140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22601140 is an abundant number, since it is smaller than the sum of its proper divisors (24861296).

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

22601140 is a wasteful number, since it uses less digits than its factorization.

22601140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130066 (or 1130064 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22601140 is about 4754.0656284910. The cubic root of 22601140 is about 282.7331825735.

Adding to 22601140 its reverse (4110622), we get a palindrome (26711762).

The spelling of 22601140 in words is "twenty-two million, six hundred one thousand, one hundred forty".