1622212542361 has 4 divisors (see below), whose sum is σ = 1622236813924. Its totient is φ = 1622188270800.

The previous prime is 1622212542347. The next prime is 1622212542373. The reversal of 1622212542361 is 1632452122261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 493984065600 + 1128228476761 = 702840^2 + 1062181^2 .

It is a cyclic number.

It is not a de Polignac number, because 1622212542361 - 2⁷ = 1622212542233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1622212542361.

It is not an unprimeable number, because it can be changed into a prime (1622212522361) 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, 12035250 + ... + 12169291.

It is an arithmetic number, because the mean of its divisors is an integer number (405559203481).

Almost surely, 2^{1622212542361} is an apocalyptic number.

It is an amenable number.

1622212542361 is a deficient number, since it is larger than the sum of its proper divisors (24271563).

1622212542361 is an equidigital number, since it uses as much as digits as its factorization.

1622212542361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24271562.

The product of its digits is 69120, while the sum is 37.

The spelling of 1622212542361 in words is "one trillion, six hundred twenty-two billion, two hundred twelve million, five hundred forty-two thousand, three hundred sixty-one".