22022497 has 8 divisors (see below), whose sum is σ = 26649216. Its totient is φ = 17765952.

The previous prime is 22022471. The next prime is 22022503. The reversal of 22022497 is 79422022.

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

It is not a de Polignac number, because 22022497 - 2¹⁹ = 21498209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022417) 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, 92413 + ... + 92650.

It is an arithmetic number, because the mean of its divisors is an integer number (3331152).

Almost surely, 2^22022497 is an apocalyptic number.

It is an amenable number.

22022497 is a deficient number, since it is larger than the sum of its proper divisors (4626719).

22022497 is a wasteful number, since it uses less digits than its factorization.

22022497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185087.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22022497 is about 4692.8133353032. The cubic root of 22022497 is about 280.2994118592.

It can be divided in two parts, 2202249 and 7, that added together give a square (2202256 = 1484²).

The spelling of 22022497 in words is "twenty-two million, twenty-two thousand, four hundred ninety-seven".