22661374 has 8 divisors (see below), whose sum is σ = 35991648. Its totient is φ = 10664160.

The previous prime is 22661363. The next prime is 22661389. The reversal of 22661374 is 47316622.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333222 + ... + 333289.

It is an arithmetic number, because the mean of its divisors is an integer number (4498956).

Almost surely, 2^22661374 is an apocalyptic number.

22661374 is a deficient number, since it is larger than the sum of its proper divisors (13330274).

22661374 is a wasteful number, since it uses less digits than its factorization.

22661374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666530.

The product of its digits is 12096, while the sum is 31.

The square root of 22661374 is about 4760.3964120649. The cubic root of 22661374 is about 282.9841292652.

Adding to 22661374 its reverse (47316622), we get a palindrome (69977996).

The spelling of 22661374 in words is "twenty-two million, six hundred sixty-one thousand, three hundred seventy-four".