622414742 has 4 divisors (see below), whose sum is σ = 933622116. Its totient is φ = 311207370.

The previous prime is 622414739. The next prime is 622414747. The reversal of 622414742 is 247414226.

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

It is a super-2 number, since 2×622414742² = 774800222117853128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 622414699 and 622414708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622414747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155603684 + ... + 155603687.

It is an arithmetic number, because the mean of its divisors is an integer number (233405529).

Almost surely, 2^622414742 is an apocalyptic number.

622414742 is a deficient number, since it is larger than the sum of its proper divisors (311207374).

622414742 is a wasteful number, since it uses less digits than its factorization.

622414742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311207373.

The product of its digits is 21504, while the sum is 32.

The square root of 622414742 is about 24948.2412606580. The cubic root of 622414742 is about 853.8074831085.

Adding to 622414742 its reverse (247414226), we get a palindrome (869828968).

The spelling of 622414742 in words is "six hundred twenty-two million, four hundred fourteen thousand, seven hundred forty-two".