46428220 has 24 divisors (see below), whose sum is σ = 97663104. Its totient is φ = 18540096.

The previous prime is 46428209. The next prime is 46428227. The reversal of 46428220 is 2282464.

It is a super-2 number, since 2×46428220² = 4311159224736800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46428227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13077 + ... + 16243.

It is an arithmetic number, because the mean of its divisors is an integer number (4069296).

Almost surely, 2^46428220 is an apocalyptic number.

It is an amenable number.

46428220 is an abundant number, since it is smaller than the sum of its proper divisors (51234884).

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

46428220 is a wasteful number, since it uses less digits than its factorization.

46428220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909 (or 3907 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 46428220 is about 6813.8256508367. The cubic root of 46428220 is about 359.4131900940.

The spelling of 46428220 in words is "forty-six million, four hundred twenty-eight thousand, two hundred twenty".