622526140 has 12 divisors (see below), whose sum is σ = 1307304936. Its totient is φ = 249010448.

The previous prime is 622526029. The next prime is 622526143. The reversal of 622526140 is 41625226.

It is a junction number, because it is equal to n+sod(n) for n = 622526099 and 622526108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622526143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15563134 + ... + 15563173.

It is an arithmetic number, because the mean of its divisors is an integer number (108942078).

Almost surely, 2^622526140 is an apocalyptic number.

It is an amenable number.

622526140 is an abundant number, since it is smaller than the sum of its proper divisors (684778796).

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

622526140 is a wasteful number, since it uses less digits than its factorization.

622526140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31126316 (or 31126314 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 622526140 is about 24950.4737429973. The cubic root of 622526140 is about 853.8584174057.

The spelling of 622526140 in words is "six hundred twenty-two million, five hundred twenty-six thousand, one hundred forty".