22406266042042 has 4 divisors (see below), whose sum is σ = 33609399063066. Its totient is φ = 11203133021020.

The previous prime is 22406266042037. The next prime is 22406266042067. The reversal of 22406266042042 is 24024066260422.

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., 13020124772281 + 9386141269761 = 3608341^2 + 3063681^2 .

It is a super-2 number, since 2×22406266042042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22406266041986 and 22406266042004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601566510509 + ... + 5601566510512.

Almost surely, 2^{22406266042042} is an apocalyptic number.

22406266042042 is a deficient number, since it is larger than the sum of its proper divisors (11203133021024).

22406266042042 is a wasteful number, since it uses less digits than its factorization.

22406266042042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203133021023.

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 22406266042042 in words is "twenty-two trillion, four hundred six billion, two hundred sixty-six million, forty-two thousand, forty-two".