40742222 has 8 divisors (see below), whose sum is σ = 61152672. Its totient is φ = 20358000.

The previous prime is 40742209. The next prime is 40742239. The reversal of 40742222 is 22224704.

It is a happy number.

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

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, 2054 + ... + 9257.

It is an arithmetic number, because the mean of its divisors is an integer number (7644084).

Almost surely, 2^40742222 is an apocalyptic number.

40742222 is a deficient number, since it is larger than the sum of its proper divisors (20410450).

40742222 is a wasteful number, since it uses less digits than its factorization.

40742222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 40742222 is about 6382.9634183504. The cubic root of 40742222 is about 344.0975419714.

Adding to 40742222 its reverse (22224704), we get a palindrome (62966926).

The spelling of 40742222 in words is "forty million, seven hundred forty-two thousand, two hundred twenty-two".