422215401255361 has 4 divisors (see below), whose sum is σ = 482531887148992. Its totient is φ = 361898915361732.

The previous prime is 422215401255341. The next prime is 422215401255463. The reversal of 422215401255361 is 163552104512224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 422215401255361 - 2⁷ = 422215401255233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422215401255301) 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, 30158242946805 + ... + 30158242946818.

It is an arithmetic number, because the mean of its divisors is an integer number (120632971787248).

Almost surely, 2^{422215401255361} is an apocalyptic number.

It is an amenable number.

422215401255361 is a deficient number, since it is larger than the sum of its proper divisors (60316485893631).

422215401255361 is an equidigital number, since it uses as much as digits as its factorization.

422215401255361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60316485893630.

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 422215401255361 its reverse (163552104512224), we get a palindrome (585767505767585).

The spelling of 422215401255361 in words is "four hundred twenty-two trillion, two hundred fifteen billion, four hundred one million, two hundred fifty-five thousand, three hundred sixty-one".