422351111221399 has 4 divisors (see below), whose sum is σ = 425185682437800. Its totient is φ = 419516540005000.

The previous prime is 422351111221393. The next prime is 422351111221577. The reversal of 422351111221399 is 993122111153224.

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

It is a cyclic number.

It is not a de Polignac number, because 422351111221399 - 2⁷ = 422351111221271 is a prime.

It is a super-2 number, since 2×422351111221399² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422351111221393) 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, 1417285607977 + ... + 1417285608274.

It is an arithmetic number, because the mean of its divisors is an integer number (106296420609450).

Almost surely, 2^{422351111221399} is an apocalyptic number.

422351111221399 is a deficient number, since it is larger than the sum of its proper divisors (2834571216401).

422351111221399 is a wasteful number, since it uses less digits than its factorization.

422351111221399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834571216400.

The product of its digits is 233280, while the sum is 46.

The spelling of 422351111221399 in words is "four hundred twenty-two trillion, three hundred fifty-one billion, one hundred eleven million, two hundred twenty-one thousand, three hundred ninety-nine".