22977742 has 8 divisors (see below), whose sum is σ = 34494696. Its totient is φ = 11479512.

The previous prime is 22977739. The next prime is 22977749. The reversal of 22977742 is 24777922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22977695 and 22977704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22977749) 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, 1048 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (4311837).

Almost surely, 2^22977742 is an apocalyptic number.

22977742 is a deficient number, since it is larger than the sum of its proper divisors (11516954).

22977742 is a wasteful number, since it uses less digits than its factorization.

22977742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362.

The product of its digits is 98784, while the sum is 40.

The square root of 22977742 is about 4793.5104047034. The cubic root of 22977742 is about 284.2949309980.

The spelling of 22977742 in words is "twenty-two million, nine hundred seventy-seven thousand, seven hundred forty-two".