40025122 has 4 divisors (see below), whose sum is σ = 60037686. Its totient is φ = 20012560.

The previous prime is 40025119. The next prime is 40025147. The reversal of 40025122 is 22152004.

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., 35652841 + 4372281 = 5971^2 + 2091^2 .

It is a super-2 number, since 2×40025122² = 3204020782229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40025096 and 40025105.

It is an unprimeable number.

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, 10006279 + ... + 10006282.

Almost surely, 2^40025122 is an apocalyptic number.

40025122 is a deficient number, since it is larger than the sum of its proper divisors (20012564).

40025122 is a wasteful number, since it uses less digits than its factorization.

40025122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012563.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40025122 is about 6326.5410770815. The cubic root of 40025122 is about 342.0667710447.

Adding to 40025122 its reverse (22152004), we get a palindrome (62177126).

The spelling of 40025122 in words is "forty million, twenty-five thousand, one hundred twenty-two".