162244402 has 4 divisors (see below), whose sum is σ = 243366606. Its totient is φ = 81122200.

The previous prime is 162244399. The next prime is 162244427. The reversal of 162244402 is 204442261.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 146870161 + 15374241 = 12119^2 + 3921^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40561099 + ... + 40561102.

Almost surely, 2^162244402 is an apocalyptic number.

162244402 is a deficient number, since it is larger than the sum of its proper divisors (81122204).

162244402 is an equidigital number, since it uses as much as digits as its factorization.

162244402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81122203.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 162244402 is about 12737.5194602403. The cubic root of 162244402 is about 545.4101807873.

Adding to 162244402 its reverse (204442261), we get a palindrome (366686663).

The spelling of 162244402 in words is "one hundred sixty-two million, two hundred forty-four thousand, four hundred two".