1422672020725 has 18 divisors (see below), whose sum is σ = 1861848126690. Its totient is φ = 1078235629920.

The previous prime is 1422672020713. The next prime is 1422672020771. The reversal of 1422672020725 is 5270202762241.

It can be written as a sum of positive squares in 3 ways, for example, as 103679492049 + 1318992528676 = 321993^2 + 1148474^2 .

It is not a de Polignac number, because 1422672020725 - 2³⁷ = 1285233067253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 78809370 + ... + 78827419.

Almost surely, 2^{1422672020725} is an apocalyptic number.

It is an amenable number.

1422672020725 is a deficient number, since it is larger than the sum of its proper divisors (439176105965).

1422672020725 is a wasteful number, since it uses less digits than its factorization.

1422672020725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157636837 (or 157636813 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

Adding to 1422672020725 its reverse (5270202762241), we get a palindrome (6692874782966).

The spelling of 1422672020725 in words is "one trillion, four hundred twenty-two billion, six hundred seventy-two million, twenty thousand, seven hundred twenty-five".