40432222 has 16 divisors (see below), whose sum is σ = 65178000. Its totient is φ = 18741888.

The previous prime is 40432211. The next prime is 40432237. The reversal of 40432222 is 22223404.

It is a self number, because there is not a number n which added to its sum of digits gives 40432222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6597 + ... + 11152.

It is an arithmetic number, because the mean of its divisors is an integer number (4073625).

Almost surely, 2^40432222 is an apocalyptic number.

40432222 is a deficient number, since it is larger than the sum of its proper divisors (24745778).

40432222 is a wasteful number, since it uses less digits than its factorization.

40432222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17835.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40432222 is about 6358.6336582634. The cubic root of 40432222 is about 343.2225943381. Note that the first 3 decimals are identical.

Adding to 40432222 its reverse (22223404), we get a palindrome (62655626).

The spelling of 40432222 in words is "forty million, four hundred thirty-two thousand, two hundred twenty-two".