225123054546 has 16 divisors (see below), whose sum is σ = 484880425344. Its totient is φ = 69268632144.

The previous prime is 225123054517. The next prime is 225123054571. The reversal of 225123054546 is 645450321522.

It is a super-2 number, since 2×225123054546² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443096426 + ... + 1443096581.

It is an arithmetic number, because the mean of its divisors is an integer number (30305026584).

Almost surely, 2^225123054546 is an apocalyptic number.

225123054546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225123054546 is an abundant number, since it is smaller than the sum of its proper divisors (259757370798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225123054546 is a wasteful number, since it uses less digits than its factorization.

225123054546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886193025.

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 225123054546 in words is "two hundred twenty-five billion, one hundred twenty-three million, fifty-four thousand, five hundred forty-six".