4291221294 has 64 divisors (see below), whose sum is σ = 10343350080. Its totient is φ = 1313418240.

The previous prime is 4291221289. The next prime is 4291221299. The reversal of 4291221294 is 4921221924.

4291221294 is a `hidden beast` number, since 429 + 1 + 221 + 2 + 9 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (4291221289) and next prime (4291221299).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4291221299) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19369 + ... + 94644.

It is an arithmetic number, because the mean of its divisors is an integer number (161614845).

Almost surely, 2^4291221294 is an apocalyptic number.

4291221294 is an abundant number, since it is smaller than the sum of its proper divisors (6052128786).

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

4291221294 is a wasteful number, since it uses less digits than its factorization.

4291221294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114082 (or 114076 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4291221294 is about 65507.4140384125. The cubic root of 4291221294 is about 1625.0259617470.

The spelling of 4291221294 in words is "four billion, two hundred ninety-one million, two hundred twenty-one thousand, two hundred ninety-four".