622522260 has 84 divisors (see below), whose sum is σ = 1960094388. Its totient is φ = 166002048.

The previous prime is 622522237. The next prime is 622522261. The reversal of 622522260 is 62225226.

It can be written as a sum of positive squares in 2 ways, for example, as 148937616 + 473584644 = 12204^2 + 21762^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622522261) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6769 + ... + 35928.

It is an arithmetic number, because the mean of its divisors is an integer number (23334457).

Almost surely, 2^622522260 is an apocalyptic number.

622522260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622522260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980047194).

622522260 is an abundant number, since it is smaller than the sum of its proper divisors (1337572128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622522260 is a wasteful number, since it uses less digits than its factorization.

622522260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42724 (or 42707 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 622522260 is about 24950.3959888415. The cubic root of 622522260 is about 853.8566434627.

Adding to 622522260 its reverse (62225226), we get a palindrome (684747486).

The spelling of 622522260 in words is "six hundred twenty-two million, five hundred twenty-two thousand, two hundred sixty".