46722220 has 12 divisors (see below), whose sum is σ = 98116704. Its totient is φ = 18688880.

The previous prime is 46722217. The next prime is 46722227. The reversal of 46722220 is 2222764.

46722220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (46722227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168036 + ... + 1168075.

It is an arithmetic number, because the mean of its divisors is an integer number (8176392).

Almost surely, 2^46722220 is an apocalyptic number.

It is an amenable number.

46722220 is an abundant number, since it is smaller than the sum of its proper divisors (51394484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46722220 is a wasteful number, since it uses less digits than its factorization.

46722220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336120 (or 2336118 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 46722220 is about 6835.3653889167. The cubic root of 46722220 is about 360.1702384142.

Adding to 46722220 its reverse (2222764), we get a palindrome (48944984).

The spelling of 46722220 in words is "forty-six million, seven hundred twenty-two thousand, two hundred twenty".