40222444 has 12 divisors (see below), whose sum is σ = 70439544. Its totient is φ = 20096864.

The previous prime is 40222439. The next prime is 40222453. The reversal of 40222444 is 44422204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4992 + ... + 10264.

It is an arithmetic number, because the mean of its divisors is an integer number (5869962).

Almost surely, 2^40222444 is an apocalyptic number.

It is an amenable number.

40222444 is a deficient number, since it is larger than the sum of its proper divisors (30217100).

40222444 is a wasteful number, since it uses less digits than its factorization.

40222444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184 (or 7182 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 40222444 is about 6342.1166813612. The cubic root of 40222444 is about 342.6279742699.

Adding to 40222444 its reverse (44422204), we get a palindrome (84644648).

The spelling of 40222444 in words is "forty million, two hundred twenty-two thousand, four hundred forty-four".