46220081 has 4 divisors (see below), whose sum is σ = 47092212. Its totient is φ = 45347952.

The previous prime is 46220071. The next prime is 46220099. The reversal of 46220081 is 18002264.

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 35224225 + 10995856 = 5935^2 + 3316^2 .

It is a cyclic number.

It is not a de Polignac number, because 46220081 - 2¹⁰ = 46219057 is a prime.

It is a super-2 number, since 2×46220081² = 4272591775293122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46220011) 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, 435986 + ... + 436091.

It is an arithmetic number, because the mean of its divisors is an integer number (11773053).

Almost surely, 2^46220081 is an apocalyptic number.

It is an amenable number.

46220081 is a deficient number, since it is larger than the sum of its proper divisors (872131).

46220081 is an equidigital number, since it uses as much as digits as its factorization.

46220081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872130.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 46220081 is about 6798.5352098816. The cubic root of 46220081 is about 358.8752990594.

The spelling of 46220081 in words is "forty-six million, two hundred twenty thousand, eighty-one".