2142322402 has 8 divisors (see below), whose sum is σ = 3505618512. Its totient is φ = 973782900.

The previous prime is 2142322367. The next prime is 2142322433. The reversal of 2142322402 is 2042232412.

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

It is a super-2 number, since 2×2142322402² = 9179090548222099208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 97378291 = 2142322402 / (2 + 1 + 4 + 2 + 3 + 2 + 2 + 4 + 0 + 2).

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, 48689124 + ... + 48689167.

It is an arithmetic number, because the mean of its divisors is an integer number (438202314).

Almost surely, 2^2142322402 is an apocalyptic number.

2142322402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2142322402 is a deficient number, since it is larger than the sum of its proper divisors (1363296110).

2142322402 is a wasteful number, since it uses less digits than its factorization.

2142322402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97378304.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2142322402 is about 46285.2287668539. The cubic root of 2142322402 is about 1289.1247396868.

Adding to 2142322402 its reverse (2042232412), we get a palindrome (4184554814).

The spelling of 2142322402 in words is "two billion, one hundred forty-two million, three hundred twenty-two thousand, four hundred two".