621371022 has 32 divisors (see below), whose sum is σ = 1313041920. Its totient is φ = 195488640.

The previous prime is 621370999. The next prime is 621371083. The reversal of 621371022 is 220173126.

It is a super-2 number, since 2×621371022² = 772203893962648968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 621370983 and 621371001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20838 + ... + 40950.

It is an arithmetic number, because the mean of its divisors is an integer number (41032560).

Almost surely, 2^621371022 is an apocalyptic number.

621371022 is an abundant number, since it is smaller than the sum of its proper divisors (691670898).

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

621371022 is a wasteful number, since it uses less digits than its factorization.

621371022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20408.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 621371022 is about 24927.3147771676. The cubic root of 621371022 is about 853.3299695031.

The spelling of 621371022 in words is "six hundred twenty-one million, three hundred seventy-one thousand, twenty-two".