22037222 has 4 divisors (see below), whose sum is σ = 33055836. Its totient is φ = 11018610.

The previous prime is 22037221. The next prime is 22037231. The reversal of 22037222 is 22273022.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22037194 and 22037203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22037221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509304 + ... + 5509307.

It is an arithmetic number, because the mean of its divisors is an integer number (8263959).

Almost surely, 2^22037222 is an apocalyptic number.

22037222 is a deficient number, since it is larger than the sum of its proper divisors (11018614).

22037222 is a wasteful number, since it uses less digits than its factorization.

22037222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018613.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22037222 is about 4694.3819614514. The cubic root of 22037222 is about 280.3618705543.

The spelling of 22037222 in words is "twenty-two million, thirty-seven thousand, two hundred twenty-two".