222421022 has 8 divisors (see below), whose sum is σ = 333696000. Its totient is φ = 111189024.

The previous prime is 222421021. The next prime is 222421027. The reversal of 222421022 is 220124222.

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

It is a super-2 number, since 2×222421022² = 98942222055048968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222421021) 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, 10979 + ... + 23777.

It is an arithmetic number, because the mean of its divisors is an integer number (41712000).

Almost surely, 2^222421022 is an apocalyptic number.

222421022 is a deficient number, since it is larger than the sum of its proper divisors (111274978).

222421022 is a wasteful number, since it uses less digits than its factorization.

222421022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21490.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222421022 is about 14913.7863066359. The cubic root of 222421022 is about 605.8874320279.

Adding to 222421022 its reverse (220124222), we get a palindrome (442545244).

The spelling of 222421022 in words is "two hundred twenty-two million, four hundred twenty-one thousand, twenty-two".