22666542 has 32 divisors (see below), whose sum is σ = 48211200. Its totient is φ = 7079808.

The previous prime is 22666541. The next prime is 22666571. The reversal of 22666542 is 24566622.

It is a super-3 number, since 3×22666542³ (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 (22666541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36309 + ... + 36927.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600).

Almost surely, 2^22666542 is an apocalyptic number.

22666542 is an abundant number, since it is smaller than the sum of its proper divisors (25544658).

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

22666542 is a wasteful number, since it uses less digits than its factorization.

22666542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000.

The product of its digits is 34560, while the sum is 33.

The square root of 22666542 is about 4760.9391930584. The cubic root of 22666542 is about 283.0056394469.

The spelling of 22666542 in words is "twenty-two million, six hundred sixty-six thousand, five hundred forty-two".