46640223 has 12 divisors (see below), whose sum is σ = 76993488. Its totient is φ = 26651520.

The previous prime is 46640221. The next prime is 46640263. The reversal of 46640223 is 32204664.

It is not a de Polignac number, because 46640223 - 2¹ = 46640221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46640221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370098 + ... + 370223.

It is an arithmetic number, because the mean of its divisors is an integer number (6416124).

Almost surely, 2^46640223 is an apocalyptic number.

46640223 is a deficient number, since it is larger than the sum of its proper divisors (30353265).

46640223 is a wasteful number, since it uses less digits than its factorization.

46640223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740334 (or 740331 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 46640223 is about 6829.3647581602. The cubic root of 46640223 is about 359.9594167215.

Adding to 46640223 its reverse (32204664), we get a palindrome (78844887).

The spelling of 46640223 in words is "forty-six million, six hundred forty thousand, two hundred twenty-three".