451155102222 has 32 divisors (see below), whose sum is σ = 984811716864. Its totient is φ = 136647929600.

The previous prime is 451155102199. The next prime is 451155102227. The reversal of 451155102222 is 222201551154.

It is a super-5 number, since 5×451155102222⁵ (a number of 59 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451155102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451155102227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505058 + ... + 1779749.

It is an arithmetic number, because the mean of its divisors is an integer number (30775366152).

Almost surely, 2^451155102222 is an apocalyptic number.

451155102222 is an abundant number, since it is smaller than the sum of its proper divisors (533656614642).

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

451155102222 is a wasteful number, since it uses less digits than its factorization.

451155102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286904.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 451155102222 its reverse (222201551154), we get a palindrome (673356653376).

The spelling of 451155102222 in words is "four hundred fifty-one billion, one hundred fifty-five million, one hundred two thousand, two hundred twenty-two".