40987222 has 8 divisors (see below), whose sum is σ = 61700472. Its totient is φ = 20420400.

The previous prime is 40987171. The next prime is 40987223. The reversal of 40987222 is 22278904.

40987222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40987223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35904 + ... + 37027.

It is an arithmetic number, because the mean of its divisors is an integer number (7712559).

Almost surely, 2^40987222 is an apocalyptic number.

40987222 is a deficient number, since it is larger than the sum of its proper divisors (20713250).

40987222 is a wasteful number, since it uses less digits than its factorization.

40987222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73214.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40987222 is about 6402.1263655133. The cubic root of 40987222 is about 344.7858981049.

It can be divided in two parts, 40987 and 222, that added together give a square (41209 = 203²).

The spelling of 40987222 in words is "forty million, nine hundred eighty-seven thousand, two hundred twenty-two".