622731912261 has 8 divisors (see below), whose sum is σ = 830320397760. Its totient is φ = 415149017472.

The previous prime is 622731912241. The next prime is 622731912263. The reversal of 622731912261 is 162219137226.

It is a happy number.

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

It is not a de Polignac number, because 622731912261 - 2¹⁰ = 622731911237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622731912263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130476 + ... + 1588533.

It is an arithmetic number, because the mean of its divisors is an integer number (103790049720).

Almost surely, 2^622731912261 is an apocalyptic number.

It is an amenable number.

622731912261 is a deficient number, since it is larger than the sum of its proper divisors (207588485499).

622731912261 is a wasteful number, since it uses less digits than its factorization.

622731912261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795355.

The product of its digits is 108864, while the sum is 42.

The spelling of 622731912261 in words is "six hundred twenty-two billion, seven hundred thirty-one million, nine hundred twelve thousand, two hundred sixty-one".