222401022 has 16 divisors (see below), whose sum is σ = 446799360. Its totient is φ = 73800792.

The previous prime is 222401009. The next prime is 222401027. The reversal of 222401022 is 220104222.

It is a junction number, because it is equal to n+sod(n) for n = 222400992 and 222401010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222401027) 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, 81772 + ... + 84447.

It is an arithmetic number, because the mean of its divisors is an integer number (27924960).

Almost surely, 2^222401022 is an apocalyptic number.

222401022 is an abundant number, since it is smaller than the sum of its proper divisors (224398338).

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

222401022 is a wasteful number, since it uses less digits than its factorization.

222401022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166447.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 222401022 is about 14913.1157710252. The cubic root of 222401022 is about 605.8692711068.

Adding to 222401022 its reverse (220104222), we get a palindrome (442505244).

The spelling of 222401022 in words is "two hundred twenty-two million, four hundred one thousand, twenty-two".