4222491 has 16 divisors (see below), whose sum is σ = 6929664. Its totient is φ = 2227104.

The previous prime is 4222489. The next prime is 4222513. The reversal of 4222491 is 1942224.

4222491 = T₂₅₈ + T₂₅₉ + ... + T₃₄₈.

It is not a de Polignac number, because 4222491 - 2¹ = 4222489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4222091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461 + ... + 8006.

It is an arithmetic number, because the mean of its divisors is an integer number (433104).

Almost surely, 2^4222491 is an apocalyptic number.

4222491 is a deficient number, since it is larger than the sum of its proper divisors (2707173).

4222491 is a wasteful number, since it uses less digits than its factorization.

4222491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15490.

The product of its digits is 1152, while the sum is 24.

The square root of 4222491 is about 2054.8700688851. The cubic root of 4222491 is about 161.6303490650.

The spelling of 4222491 in words is "four million, two hundred twenty-two thousand, four hundred ninety-one".