46218197 has 4 divisors (see below), whose sum is σ = 46290720. Its totient is φ = 46145676.

The previous prime is 46218191. The next prime is 46218209. The reversal of 46218197 is 79181264.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46218197 - 2¹² = 46214101 is a prime.

It is a super-2 number, since 2×46218197² = 4272243467861618, 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 46218197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46218191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35297 + ... + 36582.

It is an arithmetic number, because the mean of its divisors is an integer number (11572680).

Almost surely, 2^46218197 is an apocalyptic number.

It is an amenable number.

46218197 is a deficient number, since it is larger than the sum of its proper divisors (72523).

46218197 is an equidigital number, since it uses as much as digits as its factorization.

46218197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72522.

The product of its digits is 24192, while the sum is 38.

The square root of 46218197 is about 6798.3966492108. The cubic root of 46218197 is about 358.8704228943.

The spelling of 46218197 in words is "forty-six million, two hundred eighteen thousand, one hundred ninety-seven".