451215422202 has 16 divisors (see below), whose sum is σ = 904750722720. Its totient is φ = 150018494352.

The previous prime is 451215422197. The next prime is 451215422221. The reversal of 451215422202 is 202224512154.

It is a super-2 number, since 2×451215422202² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 451215422202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96659068 + ... + 96663735.

It is an arithmetic number, because the mean of its divisors is an integer number (56546920170).

Almost surely, 2^451215422202 is an apocalyptic number.

451215422202 is an abundant number, since it is smaller than the sum of its proper divisors (453535300518).

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

451215422202 is a wasteful number, since it uses less digits than its factorization.

451215422202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193323197.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 451215422202 its reverse (202224512154), we get a palindrome (653439934356).

The spelling of 451215422202 in words is "four hundred fifty-one billion, two hundred fifteen million, four hundred twenty-two thousand, two hundred two".