622225031 has 2 divisors, whose sum is σ = 622225032. Its totient is φ = 622225030.

The previous prime is 622225001. The next prime is 622225099. The reversal of 622225031 is 130522226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622225031 - 2²⁶ = 555116167 is a prime.

It is a super-2 number, since 2×622225031² = 774327978405901922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 622224988 and 622225006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622225001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311112515 + 311112516.

It is an arithmetic number, because the mean of its divisors is an integer number (311112516).

Almost surely, 2^622225031 is an apocalyptic number.

622225031 is a deficient number, since it is larger than the sum of its proper divisors (1).

622225031 is an equidigital number, since it uses as much as digits as its factorization.

622225031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 622225031 is about 24944.4388792372. The cubic root of 622225031 is about 853.7207279167.

Adding to 622225031 its reverse (130522226), we get a palindrome (752747257).

The spelling of 622225031 in words is "six hundred twenty-two million, two hundred twenty-five thousand, thirty-one".