1422345454440 has 128 divisors (see below), whose sum is σ = 4296218296320. Its totient is φ = 376704518400.

The previous prime is 1422345454381. The next prime is 1422345454447. The reversal of 1422345454440 is 444545432241.

It is a super-2 number, since 2×1422345454440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1422345454392 and 1422345454401.

It is not an unprimeable number, because it can be changed into a prime (1422345454447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14413347 + ... + 14511693.

It is an arithmetic number, because the mean of its divisors is an integer number (33564205440).

Almost surely, 2^{1422345454440} is an apocalyptic number.

1422345454440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422345454440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2148109148160).

1422345454440 is an abundant number, since it is smaller than the sum of its proper divisors (2873872841880).

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

1422345454440 is a wasteful number, since it uses less digits than its factorization.

1422345454440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99183 (or 99179 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 42.

The spelling of 1422345454440 in words is "one trillion, four hundred twenty-two billion, three hundred forty-five million, four hundred fifty-four thousand, four hundred forty".