2195224868450 has 24 divisors (see below), whose sum is σ = 4193472806292. Its totient is φ = 854357785920.

The previous prime is 2195224868437. The next prime is 2195224868479. The reversal of 2195224868450 is 548684225912.

It can be written as a sum of positive squares in 6 ways, for example, as 943759789729 + 1251465078721 = 971473^2 + 1118689^2 .

It is a super-2 number, since 2×2195224868450² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593302169 + ... + 593305868.

Almost surely, 2^{2195224868450} is an apocalyptic number.

2195224868450 is a deficient number, since it is larger than the sum of its proper divisors (1998247937842).

2195224868450 is a wasteful number, since it uses less digits than its factorization.

2195224868450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186608086 (or 1186608081 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 56.

The spelling of 2195224868450 in words is "two trillion, one hundred ninety-five billion, two hundred twenty-four million, eight hundred sixty-eight thousand, four hundred fifty".