4227557198 has 4 divisors (see below), whose sum is σ = 6341335800. Its totient is φ = 2113778598.

The previous prime is 4227557197. The next prime is 4227557207. The reversal of 4227557198 is 8917557224.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4227557198² = 35744479724723222408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4227557197) 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 as a sum of consecutive naturals, namely, 1056889298 + ... + 1056889301.

It is an arithmetic number, because the mean of its divisors is an integer number (1585333950).

Almost surely, 2^4227557198 is an apocalyptic number.

4227557198 is a deficient number, since it is larger than the sum of its proper divisors (2113778602).

4227557198 is a wasteful number, since it uses less digits than its factorization.

4227557198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113778601.

The product of its digits is 1411200, while the sum is 50.

The square root of 4227557198 is about 65019.6677782961. The cubic root of 4227557198 is about 1616.9496527380.

The spelling of 4227557198 in words is "four billion, two hundred twenty-seven million, five hundred fifty-seven thousand, one hundred ninety-eight".