15402230422 has 8 divisors (see below), whose sum is σ = 23118640272. Its totient is φ = 7696017000.

The previous prime is 15402230411. The next prime is 15402230521. The reversal of 15402230422 is 22403220451.

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

It is a congruent number.

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, 2545329 + ... + 2551372.

It is an arithmetic number, because the mean of its divisors is an integer number (2889830034).

Almost surely, 2^15402230422 is an apocalyptic number.

15402230422 is a deficient number, since it is larger than the sum of its proper divisors (7716409850).

15402230422 is a wasteful number, since it uses less digits than its factorization.

15402230422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098214.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 15402230422 its reverse (22403220451), we get a palindrome (37805450873).

The spelling of 15402230422 in words is "fifteen billion, four hundred two million, two hundred thirty thousand, four hundred twenty-two".