46355221 has 6 divisors (see below), whose sum is σ = 50952566. Its totient is φ = 42141000.

The previous prime is 46355213. The next prime is 46355291. The reversal of 46355221 is 12255364.

It can be written as a sum of positive squares in only one way, i.e., 37271025 + 9084196 = 6105^2 + 3014^2 .

It is not a de Polignac number, because 46355221 - 2³ = 46355213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46355221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46355201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191430 + ... + 191671.

Almost surely, 2^46355221 is an apocalyptic number.

It is an amenable number.

46355221 is a deficient number, since it is larger than the sum of its proper divisors (4597345).

46355221 is a wasteful number, since it uses less digits than its factorization.

46355221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383123 (or 383112 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 46355221 is about 6808.4668611957. The cubic root of 46355221 is about 359.2247230641.

The spelling of 46355221 in words is "forty-six million, three hundred fifty-five thousand, two hundred twenty-one".