22722214 has 16 divisors (see below), whose sum is σ = 35970480. Its totient is φ = 10735200.

The previous prime is 22722211. The next prime is 22722223. The reversal of 22722214 is 41222722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22722211) 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, 26212 + ... + 27064.

It is an arithmetic number, because the mean of its divisors is an integer number (2248155).

Almost surely, 2^22722214 is an apocalyptic number.

22722214 is a deficient number, since it is larger than the sum of its proper divisors (13248266).

22722214 is a wasteful number, since it uses less digits than its factorization.

22722214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575.

The product of its digits is 896, while the sum is 22.

The square root of 22722214 is about 4766.7823529085. The cubic root of 22722214 is about 283.2371496666.

Adding to 22722214 its reverse (41222722), we get a palindrome (63944936).

The spelling of 22722214 in words is "twenty-two million, seven hundred twenty-two thousand, two hundred fourteen".