1422078729644 has 12 divisors (see below), whose sum is σ = 2530818078600. Its totient is φ = 698987850048.

The previous prime is 1422078729641. The next prime is 1422078729661. The reversal of 1422078729644 is 4469278702241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422078729644.

It is not an unprimeable number, because it can be changed into a prime (1422078729641) 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, 3012878429 + ... + 3012878900.

It is an arithmetic number, because the mean of its divisors is an integer number (210901506550).

Almost surely, 2^{1422078729644} is an apocalyptic number.

It is an amenable number.

1422078729644 is a deficient number, since it is larger than the sum of its proper divisors (1108739348956).

1422078729644 is a wasteful number, since it uses less digits than its factorization.

1422078729644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025757392 (or 6025757390 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 1422078729644 in words is "one trillion, four hundred twenty-two billion, seventy-eight million, seven hundred twenty-nine thousand, six hundred forty-four".