40022074 has 4 divisors (see below), whose sum is σ = 60033114. Its totient is φ = 20011036.

The previous prime is 40022071. The next prime is 40022083. The reversal of 40022074 is 47022004.

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

It can be written as a sum of positive squares in only one way, i.e., 28015849 + 12006225 = 5293^2 + 3465^2 .

It is a super-2 number, since 2×40022074² = 3203532814522952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40022071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005517 + ... + 10005520.

Almost surely, 2^40022074 is an apocalyptic number.

40022074 is a deficient number, since it is larger than the sum of its proper divisors (20011040).

40022074 is a wasteful number, since it uses less digits than its factorization.

40022074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20011039.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 40022074 is about 6326.3001825712. The cubic root of 40022074 is about 342.0580877817.

Adding to 40022074 its reverse (47022004), we get a palindrome (87044078).

The spelling of 40022074 in words is "forty million, twenty-two thousand, seventy-four".