22045001402 has 8 divisors (see below), whose sum is σ = 33083383296. Its totient is φ = 11017206972.

The previous prime is 22045001399. The next prime is 22045001443. The reversal of 22045001402 is 20410054022.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2641658 + ... + 2649989.

It is an arithmetic number, because the mean of its divisors is an integer number (4135422912).

Almost surely, 2^22045001402 is an apocalyptic number.

22045001402 is a deficient number, since it is larger than the sum of its proper divisors (11038381894).

22045001402 is a wasteful number, since it uses less digits than its factorization.

22045001402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293732.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 22045001402 its reverse (20410054022), we get a palindrome (42455055424).

The spelling of 22045001402 in words is "twenty-two billion, forty-five million, one thousand, four hundred two".