22492122 has 16 divisors (see below), whose sum is σ = 47630592. Its totient is φ = 7056320.

The previous prime is 22492117. The next prime is 22492147. The reversal of 22492122 is 22129422.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22492092 and 22492101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110154 + ... + 110357.

It is an arithmetic number, because the mean of its divisors is an integer number (2976912).

Almost surely, 2^22492122 is an apocalyptic number.

22492122 is an abundant number, since it is smaller than the sum of its proper divisors (25138470).

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

22492122 is a wasteful number, since it uses less digits than its factorization.

22492122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220533.

The product of its digits is 1152, while the sum is 24.

The square root of 22492122 is about 4742.5860034374. The cubic root of 22492122 is about 282.2778560099.

It can be divided in two parts, 2249 and 2122, that added together give a triangular number (4371 = T₉₃).

The spelling of 22492122 in words is "twenty-two million, four hundred ninety-two thousand, one hundred twenty-two".