622000698021 has 12 divisors (see below), whose sum is σ = 904475289900. Its totient is φ = 411884130240.

The previous prime is 622000697977. The next prime is 622000698023. The reversal of 622000698021 is 120896000226.

It is a happy number.

622000698021 is a `hidden beast` number, since 622 + 0 + 0 + 0 + 6 + 9 + 8 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 143986097025 + 478014600996 = 379455^2 + 691386^2 .

It is not a de Polignac number, because 622000698021 - 2¹⁴ = 622000681637 is a prime.

It is a super-2 number, since 2×622000698021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622000698023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231915400 + ... + 231918081.

It is an arithmetic number, because the mean of its divisors is an integer number (75372940825).

Almost surely, 2^622000698021 is an apocalyptic number.

It is an amenable number.

622000698021 is a deficient number, since it is larger than the sum of its proper divisors (282474591879).

622000698021 is a wasteful number, since it uses less digits than its factorization.

622000698021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463833636 (or 463833633 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Adding to 622000698021 its reverse (120896000226), we get a palindrome (742896698247).

The spelling of 622000698021 in words is "six hundred twenty-two billion, six hundred ninety-eight thousand, twenty-one".