40232222 has 8 divisors (see below), whose sum is σ = 62429400. Its totient is φ = 19422424.

The previous prime is 40232207. The next prime is 40232233. The reversal of 40232222 is 22223204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40232222.

It is a congruent number.

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, 346772 + ... + 346887.

It is an arithmetic number, because the mean of its divisors is an integer number (7803675).

Almost surely, 2^40232222 is an apocalyptic number.

40232222 is a deficient number, since it is larger than the sum of its proper divisors (22197178).

40232222 is a wasteful number, since it uses less digits than its factorization.

40232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693690.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40232222 is about 6342.8875127973. The cubic root of 40232222 is about 342.6557360911.

Adding to 40232222 its reverse (22223204), we get a palindrome (62455426).

The spelling of 40232222 in words is "forty million, two hundred thirty-two thousand, two hundred twenty-two".