122444402 has 4 divisors (see below), whose sum is σ = 183666606. Its totient is φ = 61222200.

The previous prime is 122444401. The next prime is 122444429. The reversal of 122444402 is 204444221.

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., 62552281 + 59892121 = 7909^2 + 7739^2 .

It is a super-2 number, since 2×122444402² = 29985263162275208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122444401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30611099 + ... + 30611102.

Almost surely, 2^122444402 is an apocalyptic number.

122444402 is a deficient number, since it is larger than the sum of its proper divisors (61222204).

122444402 is an equidigital number, since it uses as much as digits as its factorization.

122444402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61222203.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 122444402 is about 11065.4598639189. The cubic root of 122444402 is about 496.5690469723.

Adding to 122444402 its reverse (204444221), we get a palindrome (326888623).

The spelling of 122444402 in words is "one hundred twenty-two million, four hundred forty-four thousand, four hundred two".