225246430477 has 4 divisors (see below), whose sum is σ = 226490886076. Its totient is φ = 224001974880.

The previous prime is 225246430433. The next prime is 225246430501. The reversal of 225246430477 is 774034642522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48458977956 + 176787452521 = 220134^2 + 420461^2 .

It is a cyclic number.

It is not a de Polignac number, because 225246430477 - 2⁷ = 225246430349 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 (225246730477) 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, 622227528 + ... + 622227889.

It is an arithmetic number, because the mean of its divisors is an integer number (56622721519).

Almost surely, 2^225246430477 is an apocalyptic number.

It is an amenable number.

225246430477 is a deficient number, since it is larger than the sum of its proper divisors (1244455599).

225246430477 is a wasteful number, since it uses less digits than its factorization.

225246430477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244455598.

The product of its (nonzero) digits is 2257920, while the sum is 46.

The spelling of 225246430477 in words is "two hundred twenty-five billion, two hundred forty-six million, four hundred thirty thousand, four hundred seventy-seven".