22270032 has 40 divisors (see below), whose sum is σ = 63924480. Its totient is φ = 7423200.

The previous prime is 22270019. The next prime is 22270097. The reversal of 22270032 is 23007222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22269987 and 22270014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25344 + ... + 26207.

It is an arithmetic number, because the mean of its divisors is an integer number (1598112).

Almost surely, 2^22270032 is an apocalyptic number.

It is an amenable number.

22270032 is an abundant number, since it is smaller than the sum of its proper divisors (41654448).

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

22270032 is a wasteful number, since it uses less digits than its factorization.

22270032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51568 (or 51556 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 22270032 is about 4719.1134760673. The cubic root of 22270032 is about 281.3456989890.

Adding to 22270032 its reverse (23007222), we get a palindrome (45277254).

The spelling of 22270032 in words is "twenty-two million, two hundred seventy thousand, thirty-two".