1422561361264 has 40 divisors (see below), whose sum is σ = 2876195911680. Its totient is φ = 680320436928.

The previous prime is 1422561361219. The next prime is 1422561361271. The reversal of 1422561361264 is 4621631652241.

It is a super-2 number, since 2×1422561361264² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1422561361264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7948249 + ... + 8125255.

It is an arithmetic number, because the mean of its divisors is an integer number (71904897792).

Almost surely, 2^{1422561361264} is an apocalyptic number.

It is an amenable number.

1422561361264 is an abundant number, since it is smaller than the sum of its proper divisors (1453634550416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422561361264 is a wasteful number, since it uses less digits than its factorization.

1422561361264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198877 (or 198871 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The spelling of 1422561361264 in words is "one trillion, four hundred twenty-two billion, five hundred sixty-one million, three hundred sixty-one thousand, two hundred sixty-four".