622423514 has 4 divisors (see below), whose sum is σ = 933635274. Its totient is φ = 311211756.

The previous prime is 622423481. The next prime is 622423531. The reversal of 622423514 is 415324226.

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

It can be written as a sum of positive squares in only one way, i.e., 596971489 + 25452025 = 24433^2 + 5045^2 .

It is a super-2 number, since 2×622423514² = 774822061560216392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155605877 + ... + 155605880.

Almost surely, 2^622423514 is an apocalyptic number.

622423514 is a deficient number, since it is larger than the sum of its proper divisors (311211760).

622423514 is a wasteful number, since it uses less digits than its factorization.

622423514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311211759.

The product of its digits is 11520, while the sum is 29.

The square root of 622423514 is about 24948.4170640143. The cubic root of 622423514 is about 853.8114941340.

It can be divided in two parts, 62242 and 3514, that added together give a palindrome (65756).

The spelling of 622423514 in words is "six hundred twenty-two million, four hundred twenty-three thousand, five hundred fourteen".