622221342 has 16 divisors (see below), whose sum is σ = 1247837952. Its totient is φ = 206841240.

The previous prime is 622221331. The next prime is 622221401. The reversal of 622221342 is 243122226.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139084 + ... + 143487.

It is an arithmetic number, because the mean of its divisors is an integer number (77989872).

Almost surely, 2^622221342 is an apocalyptic number.

622221342 is an abundant number, since it is smaller than the sum of its proper divisors (625616610).

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

622221342 is a wasteful number, since it uses less digits than its factorization.

622221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282943.

The product of its digits is 2304, while the sum is 24.

The square root of 622221342 is about 24944.3649347904. The cubic root of 622221342 is about 853.7190407554.

Adding to 622221342 its reverse (243122226), we get a palindrome (865343568).

The spelling of 622221342 in words is "six hundred twenty-two million, two hundred twenty-one thousand, three hundred forty-two".