46692221 has 4 divisors (see below), whose sum is σ = 47120700. Its totient is φ = 46263744.

The previous prime is 46692167. The next prime is 46692223. The reversal of 46692221 is 12229664.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35868121 + 10824100 = 5989^2 + 3290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46692221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46692223) 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, 214076 + ... + 214293.

It is an arithmetic number, because the mean of its divisors is an integer number (11780175).

Almost surely, 2^46692221 is an apocalyptic number.

It is an amenable number.

46692221 is a deficient number, since it is larger than the sum of its proper divisors (428479).

46692221 is a wasteful number, since it uses less digits than its factorization.

46692221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428478.

The product of its digits is 10368, while the sum is 32.

The square root of 46692221 is about 6833.1706403397. The cubic root of 46692221 is about 360.0931369104.

The spelling of 46692221 in words is "forty-six million, six hundred ninety-two thousand, two hundred twenty-one".