22749194 has 16 divisors (see below), whose sum is σ = 38683680. Its totient is φ = 9946800.

The previous prime is 22749173. The next prime is 22749197. The reversal of 22749194 is 49194722.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22749197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22532 + ... + 23519.

It is an arithmetic number, because the mean of its divisors is an integer number (2417730).

Almost surely, 2^22749194 is an apocalyptic number.

22749194 is a deficient number, since it is larger than the sum of its proper divisors (15934486).

22749194 is a wasteful number, since it uses less digits than its factorization.

22749194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46085.

The product of its digits is 36288, while the sum is 38.

The square root of 22749194 is about 4769.6115145785. The cubic root of 22749194 is about 283.3492091066.

The spelling of 22749194 in words is "twenty-two million, seven hundred forty-nine thousand, one hundred ninety-four".