1378747422232 has 8 divisors (see below), whose sum is σ = 2585151416700. Its totient is φ = 689373711112.

The previous prime is 1378747422229. The next prime is 1378747422313. The reversal of 1378747422232 is 2322247478731.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1378747422232² (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 1378747422232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86171713882 + ... + 86171713897.

Almost surely, 2^{1378747422232} is an apocalyptic number.

It is an amenable number.

1378747422232 is a deficient number, since it is larger than the sum of its proper divisors (1206403994468).

1378747422232 is a wasteful number, since it uses less digits than its factorization.

1378747422232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172343427785 (or 172343427781 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 52.

The spelling of 1378747422232 in words is "one trillion, three hundred seventy-eight billion, seven hundred forty-seven million, four hundred twenty-two thousand, two hundred thirty-two".