225204154366 has 32 divisors (see below), whose sum is σ = 361478356992. Its totient is φ = 104856716160.

The previous prime is 225204154321. The next prime is 225204154381. The reversal of 225204154366 is 663451402522.

It is a happy number.

It is a super-2 number, since 2×225204154366² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513651 + ... + 1655761.

It is an arithmetic number, because the mean of its divisors is an integer number (11296198656).

Almost surely, 2^225204154366 is an apocalyptic number.

225204154366 is a deficient number, since it is larger than the sum of its proper divisors (136274202626).

225204154366 is a wasteful number, since it uses less digits than its factorization.

225204154366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142624.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 225204154366 its reverse (663451402522), we get a palindrome (888655556888).

The spelling of 225204154366 in words is "two hundred twenty-five billion, two hundred four million, one hundred fifty-four thousand, three hundred sixty-six".