22055722 has 8 divisors (see below), whose sum is σ = 35628516. Its totient is φ = 10179552.

The previous prime is 22055717. The next prime is 22055729. The reversal of 22055722 is 22755022.

It can be written as a sum of positive squares in 2 ways, for example, as 18326961 + 3728761 = 4281^2 + 1931^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22055729) 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, 424123 + ... + 424174.

Almost surely, 2^22055722 is an apocalyptic number.

22055722 is a deficient number, since it is larger than the sum of its proper divisors (13572794).

22055722 is a wasteful number, since it uses less digits than its factorization.

22055722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848312.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 22055722 is about 4696.3519885119. The cubic root of 22055722 is about 280.4403021565.

It can be divided in two parts, 2205572 and 2, that multiplied together give a palindrome (4411144).

The spelling of 22055722 in words is "twenty-two million, fifty-five thousand, seven hundred twenty-two".