40025222 has 8 divisors (see below), whose sum is σ = 60137616. Its totient is φ = 19979352.

The previous prime is 40025203. The next prime is 40025239. The reversal of 40025222 is 22252004.

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

It is a super-2 number, since 2×40025222² = 3204036792298568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40025222.

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, 15098 + ... + 17549.

It is an arithmetic number, because the mean of its divisors is an integer number (7517202).

Almost surely, 2^40025222 is an apocalyptic number.

40025222 is a deficient number, since it is larger than the sum of its proper divisors (20112394).

40025222 is a wasteful number, since it uses less digits than its factorization.

40025222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33262.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 40025222 is about 6326.5489802893. The cubic root of 40025222 is about 342.0670559212.

Adding to 40025222 its reverse (22252004), we get a palindrome (62277226).

The spelling of 40025222 in words is "forty million, twenty-five thousand, two hundred twenty-two".