40223125 has 20 divisors (see below), whose sum is σ = 50733760. Its totient is φ = 31878000.

The previous prime is 40223123. The next prime is 40223143. The reversal of 40223125 is 52132204.

It is not a de Polignac number, because 40223125 - 2¹ = 40223123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86644 + ... + 87106.

It is an arithmetic number, because the mean of its divisors is an integer number (2536688).

Almost surely, 2^40223125 is an apocalyptic number.

It is an amenable number.

40223125 is a deficient number, since it is larger than the sum of its proper divisors (10510635).

40223125 is an equidigital number, since it uses as much as digits as its factorization.

40223125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40223125 is about 6342.1703698340. The cubic root of 40223125 is about 342.6299079195.

Adding to 40223125 its reverse (52132204), we get a palindrome (92355329).

The spelling of 40223125 in words is "forty million, two hundred twenty-three thousand, one hundred twenty-five".