1422688345225 has 81 divisors (see below), whose sum is σ = 2094863773653. Its totient is φ = 955662402240.

The previous prime is 1422688345219. The next prime is 1422688345261. The reversal of 1422688345225 is 5225438862241.

The square root of 1422688345225 is 1192765.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10717011529 + 1411971333696 = 103523^2 + 1188264^2 .

It is not a de Polignac number, because 1422688345225 - 2¹⁹ = 1422687820937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2212578754 + ... + 2212579396.

Almost surely, 2^{1422688345225} is an apocalyptic number.

1422688345225 is the 1192765-th square number.

1422688345225 is the 596383-rd centered octagonal number.

It is an amenable number.

1422688345225 is a deficient number, since it is larger than the sum of its proper divisors (672175428428).

1422688345225 is an frugal number, since it uses more digits than its factorization.

1422688345225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 708 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 52.

The spelling of 1422688345225 in words is "one trillion, four hundred twenty-two billion, six hundred eighty-eight million, three hundred forty-five thousand, two hundred twenty-five".