5401227197 has 16 divisors (see below), whose sum is σ = 5544419712. Its totient is φ = 5260507200.

The previous prime is 5401227193. The next prime is 5401227211. The reversal of 5401227197 is 7917221045.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5401227197 - 2² = 5401227193 is a prime.

It is a super-2 number, since 2×5401227197² = 58346510467224953618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5401227197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401227193) 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, 1631618 + ... + 1634924.

It is an arithmetic number, because the mean of its divisors is an integer number (346526232).

Almost surely, 2^5401227197 is an apocalyptic number.

It is an amenable number.

5401227197 is a deficient number, since it is larger than the sum of its proper divisors (143192515).

5401227197 is a wasteful number, since it uses less digits than its factorization.

5401227197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 5401227197 is about 73493.0418271009. The cubic root of 5401227197 is about 1754.5435345575.

The spelling of 5401227197 in words is "five billion, four hundred one million, two hundred twenty-seven thousand, one hundred ninety-seven".