225211220234 has 384 divisors, whose sum is σ = 495500544000. Its totient is φ = 74548615680.

The previous prime is 225211220197. The next prime is 225211220281. The reversal of 225211220234 is 432022112522.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1620224537 + ... + 1620224675.

It is an arithmetic number, because the mean of its divisors is an integer number (1290366000).

Almost surely, 2^225211220234 is an apocalyptic number.

225211220234 is an abundant number, since it is smaller than the sum of its proper divisors (270289323766).

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

225211220234 is a wasteful number, since it uses less digits than its factorization.

225211220234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 225211220234 its reverse (432022112522), we get a palindrome (657233332756).

The spelling of 225211220234 in words is "two hundred twenty-five billion, two hundred eleven million, two hundred twenty thousand, two hundred thirty-four".