225020253154 has 4 divisors (see below), whose sum is σ = 337530379734. Its totient is φ = 112510126576.

The previous prime is 225020253151. The next prime is 225020253173. The reversal of 225020253154 is 451352020522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 190730472529 + 34289780625 = 436727^2 + 185175^2 .

It is a super-2 number, since 2×225020253154² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225020253151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56255063287 + ... + 56255063290.

Almost surely, 2^225020253154 is an apocalyptic number.

225020253154 is a deficient number, since it is larger than the sum of its proper divisors (112510126580).

225020253154 is a wasteful number, since it uses less digits than its factorization.

225020253154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112510126579.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 225020253154 its reverse (451352020522), we get a palindrome (676372273676).

The spelling of 225020253154 in words is "two hundred twenty-five billion, twenty million, two hundred fifty-three thousand, one hundred fifty-four".