40220594 has 8 divisors (see below), whose sum is σ = 61320108. Its totient is φ = 19780560.

The previous prime is 40220581. The next prime is 40220599. The reversal of 40220594 is 49502204.

It can be written as a sum of positive squares in 2 ways, for example, as 37027225 + 3193369 = 6085^2 + 1787^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40220599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164717 + ... + 164960.

Almost surely, 2^40220594 is an apocalyptic number.

40220594 is a deficient number, since it is larger than the sum of its proper divisors (21099514).

40220594 is a wasteful number, since it uses less digits than its factorization.

40220594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329740.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40220594 is about 6341.9708293243. The cubic root of 40220594 is about 342.6227212204.

Adding to 40220594 its reverse (49502204), we get a palindrome (89722798).

The spelling of 40220594 in words is "forty million, two hundred twenty thousand, five hundred ninety-four".