225162213454 has 4 divisors (see below), whose sum is σ = 337743320184. Its totient is φ = 112581106726.

The previous prime is 225162213427. The next prime is 225162213457. The reversal of 225162213454 is 454312261522.

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

It is a super-2 number, since 2×225162213454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225162213457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56290553362 + ... + 56290553365.

It is an arithmetic number, because the mean of its divisors is an integer number (84435830046).

Almost surely, 2^225162213454 is an apocalyptic number.

225162213454 is a deficient number, since it is larger than the sum of its proper divisors (112581106730).

225162213454 is a wasteful number, since it uses less digits than its factorization.

225162213454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112581106729.

The product of its digits is 115200, while the sum is 37.

Adding to 225162213454 its reverse (454312261522), we get a palindrome (679474474976).

The spelling of 225162213454 in words is "two hundred twenty-five billion, one hundred sixty-two million, two hundred thirteen thousand, four hundred fifty-four".