22351922 has 8 divisors (see below), whose sum is σ = 34434156. Its totient is φ = 10873872.

The previous prime is 22351921. The next prime is 22351993. The reversal of 22351922 is 22915322.

It can be written as a sum of positive squares in 2 ways, for example, as 22174681 + 177241 = 4709^2 + 421^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22351891 and 22351900.

It is not an unprimeable number, because it can be changed into a prime (22351921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150953 + ... + 151100.

Almost surely, 2^22351922 is an apocalyptic number.

22351922 is a deficient number, since it is larger than the sum of its proper divisors (12082234).

22351922 is a wasteful number, since it uses less digits than its factorization.

22351922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302092.

The product of its digits is 2160, while the sum is 26.

The square root of 22351922 is about 4727.7819323653. The cubic root of 22351922 is about 281.6901262317.

The spelling of 22351922 in words is "twenty-two million, three hundred fifty-one thousand, nine hundred twenty-two".