1454221225625 has 20 divisors (see below), whose sum is σ = 2076794113152. Its totient is φ = 997180266000.

The previous prime is 1454221225601. The next prime is 1454221225631. The reversal of 1454221225625 is 5265221224541.

It is not a de Polignac number, because 1454221225625 - 2²⁶ = 1454154116761 is a prime.

It is a super-2 number, since 2×1454221225625² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 166192337 + ... + 166201086.

Almost surely, 2^{1454221225625} is an apocalyptic number.

It is an amenable number.

1454221225625 is a deficient number, since it is larger than the sum of its proper divisors (622572887527).

1454221225625 is an frugal number, since it uses more digits than its factorization.

1454221225625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332393450 (or 332393435 counting only the distinct ones).

The product of its digits is 384000, while the sum is 41.

The spelling of 1454221225625 in words is "one trillion, four hundred fifty-four billion, two hundred twenty-one million, two hundred twenty-five thousand, six hundred twenty-five".