622414442 has 8 divisors (see below), whose sum is σ = 1005438756. Its totient is φ = 287268192.

The previous prime is 622414439. The next prime is 622414451. The reversal of 622414442 is 244414226.

It can be written as a sum of positive squares in 2 ways, for example, as 525372241 + 97042201 = 22921^2 + 9851^2 .

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

It is a super-2 number, since 2×622414442² = 774799475220342728, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 11969483 + ... + 11969534.

Almost surely, 2^622414442 is an apocalyptic number.

622414442 is a deficient number, since it is larger than the sum of its proper divisors (383024314).

622414442 is a wasteful number, since it uses less digits than its factorization.

622414442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23939032.

The product of its digits is 12288, while the sum is 29.

The square root of 622414442 is about 24948.2352482094. The cubic root of 622414442 is about 853.8073459319.

Adding to 622414442 its reverse (244414226), we get a palindrome (866828668).

The spelling of 622414442 in words is "six hundred twenty-two million, four hundred fourteen thousand, four hundred forty-two".