42122402 has 8 divisors (see below), whose sum is σ = 72209856. Its totient is φ = 18052452.

The previous prime is 42122393. The next prime is 42122429. The reversal of 42122402 is 20422124.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 1504358 + ... + 1504385.

It is an arithmetic number, because the mean of its divisors is an integer number (9026232).

Almost surely, 2^42122402 is an apocalyptic number.

42122402 is a deficient number, since it is larger than the sum of its proper divisors (30087454).

42122402 is a wasteful number, since it uses less digits than its factorization.

42122402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008752.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 42122402 is about 6490.1773473458. The cubic root of 42122402 is about 347.9400136619.

Adding to 42122402 its reverse (20422124), we get a palindrome (62544526).

It can be divided in two parts, 42122 and 402, that added together give a palindrome (42524).

The spelling of 42122402 in words is "forty-two million, one hundred twenty-two thousand, four hundred two".