40202224 has 10 divisors (see below), whose sum is σ = 77891840. Its totient is φ = 20101104.

The previous prime is 40202219. The next prime is 40202243. The reversal of 40202224 is 42220204.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 2512639 = 40202224 / (4 + 0 + 2 + 0 + 2 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 40202198 and 40202207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256304 + ... + 1256335.

It is an arithmetic number, because the mean of its divisors is an integer number (7789184).

Almost surely, 2^40202224 is an apocalyptic number.

It is an amenable number.

40202224 is a deficient number, since it is larger than the sum of its proper divisors (37689616).

40202224 is a wasteful number, since it uses less digits than its factorization.

40202224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512647 (or 2512641 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40202224 is about 6340.5223759561. The cubic root of 40202224 is about 342.5705511153.

Adding to 40202224 its reverse (42220204), we get a palindrome (82422428).

The spelling of 40202224 in words is "forty million, two hundred two thousand, two hundred twenty-four".