422420002402 has 8 divisors (see below), whose sum is σ = 641650636800. Its totient is φ = 208536456804.

The previous prime is 422420002399. The next prime is 422420002489. The reversal of 422420002402 is 204200024224.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336772002 + ... + 1336772317.

It is an arithmetic number, because the mean of its divisors is an integer number (80206329600).

Almost surely, 2^422420002402 is an apocalyptic number.

422420002402 is a deficient number, since it is larger than the sum of its proper divisors (219230634398).

422420002402 is a wasteful number, since it uses less digits than its factorization.

422420002402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673544400.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 422420002402 its reverse (204200024224), we get a palindrome (626620026626).

The spelling of 422420002402 in words is "four hundred twenty-two billion, four hundred twenty million, two thousand, four hundred two".