40998422 has 4 divisors (see below), whose sum is σ = 61497636. Its totient is φ = 20499210.

The previous prime is 40998421. The next prime is 40998427. The reversal of 40998422 is 22489904.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40998421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10249604 + ... + 10249607.

It is an arithmetic number, because the mean of its divisors is an integer number (15374409).

Almost surely, 2^40998422 is an apocalyptic number.

40998422 is a deficient number, since it is larger than the sum of its proper divisors (20499214).

40998422 is a wasteful number, since it uses less digits than its factorization.

40998422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20499213.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40998422 is about 6403.0010151491. The cubic root of 40998422 is about 344.8173001711.

It can be divided in two parts, 4099 and 8422, that added together give a palindrome (12521).

The spelling of 40998422 in words is "forty million, nine hundred ninety-eight thousand, four hundred twenty-two".