22406942 has 8 divisors (see below), whose sum is σ = 33631416. Its totient is φ = 11196472.

The previous prime is 22406933. The next prime is 22406953. The reversal of 22406942 is 24960422.

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, 2693 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (4203927).

Almost surely, 2^22406942 is an apocalyptic number.

22406942 is a deficient number, since it is larger than the sum of its proper divisors (11224474).

22406942 is a wasteful number, since it uses less digits than its factorization.

22406942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7002.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 22406942 is about 4733.5971522723. The cubic root of 22406942 is about 281.9210667200.

The spelling of 22406942 in words is "twenty-two million, four hundred six thousand, nine hundred forty-two".