622252838 has 4 divisors (see below), whose sum is σ = 933379260. Its totient is φ = 311126418.

The previous prime is 622252837. The next prime is 622252847. The reversal of 622252838 is 838252226.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622252837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155563208 + ... + 155563211.

It is an arithmetic number, because the mean of its divisors is an integer number (233344815).

Almost surely, 2^622252838 is an apocalyptic number.

622252838 is a deficient number, since it is larger than the sum of its proper divisors (311126422).

622252838 is a wasteful number, since it uses less digits than its factorization.

622252838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311126421.

The product of its digits is 92160, while the sum is 38.

The square root of 622252838 is about 24944.9962517536. The cubic root of 622252838 is about 853.7334452122.

The spelling of 622252838 in words is "six hundred twenty-two million, two hundred fifty-two thousand, eight hundred thirty-eight".