46922021 has 4 divisors (see below), whose sum is σ = 46946592. Its totient is φ = 46897452.

The previous prime is 46922017. The next prime is 46922053. The reversal of 46922021 is 12022964.

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 46922021 - 2² = 46922017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46922221) 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, 9155 + ... + 13328.

It is an arithmetic number, because the mean of its divisors is an integer number (11736648).

Almost surely, 2^46922021 is an apocalyptic number.

It is an amenable number.

46922021 is a deficient number, since it is larger than the sum of its proper divisors (24571).

46922021 is a wasteful number, since it uses less digits than its factorization.

46922021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24570.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 46922021 is about 6849.9650364071. The cubic root of 46922021 is about 360.6829140949.

Adding to 46922021 its reverse (12022964), we get a palindrome (58944985).

The spelling of 46922021 in words is "forty-six million, nine hundred twenty-two thousand, twenty-one".