225220034355 has 32 divisors (see below), whose sum is σ = 382227185664. Its totient is φ = 112850750976.

The previous prime is 225220034327. The next prime is 225220034357. The reversal of 225220034355 is 553430022522.

It is not a de Polignac number, because 225220034355 - 2¹⁶ = 225219968819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225220034357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640819 + ... + 927948.

It is an arithmetic number, because the mean of its divisors is an integer number (11944599552).

Almost surely, 2^225220034355 is an apocalyptic number.

225220034355 is a deficient number, since it is larger than the sum of its proper divisors (157007151309).

225220034355 is a wasteful number, since it uses less digits than its factorization.

225220034355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569355.

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 225220034355 its reverse (553430022522), we get a palindrome (778650056877).

The spelling of 225220034355 in words is "two hundred twenty-five billion, two hundred twenty million, thirty-four thousand, three hundred fifty-five".