40302122 has 8 divisors (see below), whose sum is σ = 69089376. Its totient is φ = 17272332.

The previous prime is 40302113. The next prime is 40302127. The reversal of 40302122 is 22120304.

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

It is a super-2 number, since 2×40302122² = 3248522075405768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 2878723 = 40302122 / (4 + 0 + 3 + 0 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 40302097 and 40302106.

It is not an unprimeable number, because it can be changed into a prime (40302127) 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, 1439348 + ... + 1439375.

It is an arithmetic number, because the mean of its divisors is an integer number (8636172).

Almost surely, 2^40302122 is an apocalyptic number.

40302122 is a deficient number, since it is larger than the sum of its proper divisors (28787254).

40302122 is a wasteful number, since it uses less digits than its factorization.

40302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878732.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40302122 is about 6348.3952302925. The cubic root of 40302122 is about 342.8540661596.

Adding to 40302122 its reverse (22120304), we get a palindrome (62422426).

The spelling of 40302122 in words is "forty million, three hundred two thousand, one hundred twenty-two".