40021322 has 8 divisors (see below), whose sum is σ = 65489472. Its totient is φ = 18191500.

The previous prime is 40021313. The next prime is 40021337. The reversal of 40021322 is 22312004.

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

It is a junction number, because it is equal to n+sod(n) for n = 40021297 and 40021306.

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, 909554 + ... + 909597.

It is an arithmetic number, because the mean of its divisors is an integer number (8186184).

Almost surely, 2^40021322 is an apocalyptic number.

40021322 is a deficient number, since it is larger than the sum of its proper divisors (25468150).

40021322 is a wasteful number, since it uses less digits than its factorization.

40021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819164.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40021322 is about 6326.2407478691. The cubic root of 40021322 is about 342.0559453865.

Adding to 40021322 its reverse (22312004), we get a palindrome (62333326).

The spelling of 40021322 in words is "forty million, twenty-one thousand, three hundred twenty-two".