46042221 has 16 divisors (see below), whose sum is σ = 63362880. Its totient is φ = 29719680.

The previous prime is 46042219. The next prime is 46042229. The reversal of 46042221 is 12224064.

It is not a de Polignac number, because 46042221 - 2¹ = 46042219 is a prime.

It is a super-2 number, since 2×46042221² = 4239772229225682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46042229) 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, 15751 + ... + 18443.

It is an arithmetic number, because the mean of its divisors is an integer number (3960180).

Almost surely, 2^46042221 is an apocalyptic number.

46042221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

46042221 is a deficient number, since it is larger than the sum of its proper divisors (17320659).

46042221 is a wasteful number, since it uses less digits than its factorization.

46042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 46042221 is about 6785.4418426511. The cubic root of 46042221 is about 358.4143766696.

Adding to 46042221 its reverse (12224064), we get a palindrome (58266285).

The spelling of 46042221 in words is "forty-six million, forty-two thousand, two hundred twenty-one".