223064146425 has 24 divisors (see below), whose sum is σ = 368836281856. Its totient is φ = 118955643840.

The previous prime is 223064146397. The next prime is 223064146429. The reversal of 223064146425 is 524641460322.

It is a happy number.

It is not a de Polignac number, because 223064146425 - 2¹³ = 223064138233 is a prime.

It is a super-2 number, since 2×223064146425² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223064146429) 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 23 ways as a sum of consecutive naturals, for example, 633192 + ... + 920358.

Almost surely, 2^223064146425 is an apocalyptic number.

223064146425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223064146425 is a deficient number, since it is larger than the sum of its proper divisors (145772135431).

223064146425 is a wasteful number, since it uses less digits than its factorization.

223064146425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297537 (or 297532 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 223064146425 in words is "two hundred twenty-three billion, sixty-four million, one hundred forty-six thousand, four hundred twenty-five".