621226131226 has 8 divisors (see below), whose sum is σ = 931849577280. Its totient is φ = 310609605468.

The previous prime is 621226131209. The next prime is 621226131241. The reversal of 621226131226 is 622131622126.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×621226131226² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 621226131191 and 621226131200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499506 + ... + 1868413.

It is an arithmetic number, because the mean of its divisors is an integer number (116481197160).

Almost surely, 2^621226131226 is an apocalyptic number.

621226131226 is a deficient number, since it is larger than the sum of its proper divisors (310623446054).

621226131226 is a wasteful number, since it uses less digits than its factorization.

621226131226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460148.

The product of its digits is 20736, while the sum is 34.

The spelling of 621226131226 in words is "six hundred twenty-one billion, two hundred twenty-six million, one hundred thirty-one thousand, two hundred twenty-six".