22772202 has 8 divisors (see below), whose sum is σ = 45544416. Its totient is φ = 7590732.

The previous prime is 22772173. The next prime is 22772209. The reversal of 22772202 is 20227722.

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

22772202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22772209) 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, 1897678 + ... + 1897689.

It is an arithmetic number, because the mean of its divisors is an integer number (5693052).

Almost surely, 2^22772202 is an apocalyptic number.

22772202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22772202 is a wasteful number, since it uses less digits than its factorization.

22772202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795372.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 22772202 is about 4772.0228415212. The cubic root of 22772202 is about 283.4447011640. Note that the first 3 decimals are identical.

Adding to 22772202 its reverse (20227722), we get a palindrome (42999924).

The spelling of 22772202 in words is "twenty-two million, seven hundred seventy-two thousand, two hundred two".