22601142 has 12 divisors (see below), whose sum is σ = 48969180. Its totient is φ = 7533708.

The previous prime is 22601123. The next prime is 22601147. The reversal of 22601142 is 24110622.

22601142 is a `hidden beast` number, since 22 + 601 + 1 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1255619 = 22601142 / (2 + 2 + 6 + 0 + 1 + 1 + 4 + 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 5 ways as a sum of consecutive naturals, for example, 627792 + ... + 627827.

It is an arithmetic number, because the mean of its divisors is an integer number (4080765).

Almost surely, 2^22601142 is an apocalyptic number.

22601142 is an abundant number, since it is smaller than the sum of its proper divisors (26368038).

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

22601142 is a wasteful number, since it uses less digits than its factorization.

22601142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255627 (or 1255624 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 22601142 is about 4754.0658388373. The cubic root of 22601142 is about 282.7331909133.

Adding to 22601142 its reverse (24110622), we get a palindrome (46711764).

The spelling of 22601142 in words is "twenty-two million, six hundred one thousand, one hundred forty-two".