40202122 has 8 divisors (see below), whose sum is σ = 61129476. Its totient is φ = 19825632.

The previous prime is 40202087. The next prime is 40202153. The reversal of 40202122 is 22120204.

It can be written as a sum of positive squares in 2 ways, for example, as 39200121 + 1002001 = 6261^2 + 1001^2 .

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

It is a super-2 number, since 2×40202122² = 3232421226605768, which contains 22 as substring.

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, 137533 + ... + 137824.

Almost surely, 2^40202122 is an apocalyptic number.

40202122 is a deficient number, since it is larger than the sum of its proper divisors (20927354).

40202122 is a wasteful number, since it uses less digits than its factorization.

40202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275432.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40202122 is about 6340.5143324497. The cubic root of 40202122 is about 342.5702613948.

Adding to 40202122 its reverse (22120204), we get a palindrome (62322326).

The spelling of 40202122 in words is "forty million, two hundred two thousand, one hundred twenty-two".