46221278 has 4 divisors (see below), whose sum is σ = 69331920. Its totient is φ = 23110638.

The previous prime is 46221277. The next prime is 46221293. The reversal of 46221278 is 87212264.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46221277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555318 + ... + 11555321.

It is an arithmetic number, because the mean of its divisors is an integer number (17332980).

Almost surely, 2^46221278 is an apocalyptic number.

46221278 is a deficient number, since it is larger than the sum of its proper divisors (23110642).

46221278 is a wasteful number, since it uses less digits than its factorization.

46221278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23110641.

The product of its digits is 10752, while the sum is 32.

The square root of 46221278 is about 6798.6232429809. The cubic root of 46221278 is about 358.8783970637.

The spelling of 46221278 in words is "forty-six million, two hundred twenty-one thousand, two hundred seventy-eight".