22022651 has 8 divisors (see below), whose sum is σ = 25300704. Its totient is φ = 18777600.

The previous prime is 22022641. The next prime is 22022677. The reversal of 22022651 is 15622022.

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

It is a cyclic number.

It is not a de Polignac number, because 22022651 - 2¹⁴ = 22006267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022641) 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, 6800 + ... + 9501.

It is an arithmetic number, because the mean of its divisors is an integer number (3162588).

Almost surely, 2^22022651 is an apocalyptic number.

22022651 is a deficient number, since it is larger than the sum of its proper divisors (3278053).

22022651 is a wasteful number, since it uses less digits than its factorization.

22022651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16501.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22022651 is about 4692.8297433425. The cubic root of 22022651 is about 280.3000652215.

Adding to 22022651 its reverse (15622022), we get a palindrome (37644673).

The spelling of 22022651 in words is "twenty-two million, twenty-two thousand, six hundred fifty-one".