46222281 has 12 divisors (see below), whose sum is σ = 76303552. Its totient is φ = 26412696.

The previous prime is 46222279. The next prime is 46222321. The reversal of 46222281 is 18222264.

It is a happy number.

It is not a de Polignac number, because 46222281 - 2¹ = 46222279 is a prime.

It is a super-2 number, since 2×46222281² = 4272998521685922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46222261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366781 + ... + 366906.

Almost surely, 2^46222281 is an apocalyptic number.

It is an amenable number.

46222281 is a deficient number, since it is larger than the sum of its proper divisors (30081271).

46222281 is a wasteful number, since it uses less digits than its factorization.

46222281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733700 (or 733697 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 46222281 is about 6798.6970075155. The cubic root of 46222281 is about 358.8809929275.

It can be divided in two parts, 4622 and 2281, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 46222281 in words is "forty-six million, two hundred twenty-two thousand, two hundred eighty-one".