23402422 has 4 divisors (see below), whose sum is σ = 35103636. Its totient is φ = 11701210.

The previous prime is 23402419. The next prime is 23402429. The reversal of 23402422 is 22420432.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23402422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5850604 + ... + 5850607.

It is an arithmetic number, because the mean of its divisors is an integer number (8775909).

Almost surely, 2^23402422 is an apocalyptic number.

23402422 is a deficient number, since it is larger than the sum of its proper divisors (11701214).

23402422 is a wasteful number, since it uses less digits than its factorization.

23402422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701213.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23402422 is about 4837.6049859409. The cubic root of 23402422 is about 286.0357185572.

Adding to 23402422 its reverse (22420432), we get a palindrome (45822854).

The spelling of 23402422 in words is "twenty-three million, four hundred two thousand, four hundred twenty-two".