1422216205440 has 128 divisors (see below), whose sum is σ = 4534090862400. Its totient is φ = 379192676352.

The previous prime is 1422216205433. The next prime is 1422216205457. The reversal of 1422216205440 is 445026122241.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11714971 + ... + 11835749.

Almost surely, 2^{1422216205440} is an apocalyptic number.

1422216205440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422216205440 is an abundant number, since it is smaller than the sum of its proper divisors (3111874656960).

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

1422216205440 is a wasteful number, since it uses less digits than its factorization.

1422216205440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126934 (or 126922 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 1422216205440 in words is "one trillion, four hundred twenty-two billion, two hundred sixteen million, two hundred five thousand, four hundred forty".