2197262045427 has 16 divisors (see below), whose sum is σ = 2966837015040. Its totient is φ = 1446265091232.

The previous prime is 2197262045411. The next prime is 2197262045441. The reversal of 2197262045427 is 7245402627912.

It is not a de Polignac number, because 2197262045427 - 2⁴ = 2197262045411 is a prime.

It is a super-2 number, since 2×2197262045427² (a number of 25 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 2197262045427.

It is not an unprimeable number, because it can be changed into a prime (2197262041427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13672513 + ... + 13832285.

It is an arithmetic number, because the mean of its divisors is an integer number (185427313440).

Almost surely, 2^{2197262045427} is an apocalyptic number.

2197262045427 is a deficient number, since it is larger than the sum of its proper divisors (769574969613).

2197262045427 is a wasteful number, since it uses less digits than its factorization.

2197262045427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217882.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 2197262045427 in words is "two trillion, one hundred ninety-seven billion, two hundred sixty-two million, forty-five thousand, four hundred twenty-seven".