225454977973 has 8 divisors (see below), whose sum is σ = 226055710880. Its totient is φ = 224854554960.

The previous prime is 225454977961. The next prime is 225454978003. The reversal of 225454977973 is 379779454522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225454977973 - 2¹³ = 225454969781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225454977373) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1417798 + ... + 1568776.

It is an arithmetic number, because the mean of its divisors is an integer number (28256963860).

Almost surely, 2^225454977973 is an apocalyptic number.

It is an amenable number.

225454977973 is a deficient number, since it is larger than the sum of its proper divisors (600732907).

225454977973 is a wasteful number, since it uses less digits than its factorization.

225454977973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154947.

The product of its digits is 133358400, while the sum is 64.

The spelling of 225454977973 in words is "two hundred twenty-five billion, four hundred fifty-four million, nine hundred seventy-seven thousand, nine hundred seventy-three".