22190077802 has 4 divisors (see below), whose sum is σ = 33285116706. Its totient is φ = 11095038900.

The previous prime is 22190077801. The next prime is 22190077829. The reversal of 22190077802 is 20877009122.

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., 18217170841 + 3972906961 = 134971^2 + 63031^2 .

It is not an unprimeable number, because it can be changed into a prime (22190077801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5547519449 + ... + 5547519452.

Almost surely, 2^22190077802 is an apocalyptic number.

22190077802 is a deficient number, since it is larger than the sum of its proper divisors (11095038904).

22190077802 is a wasteful number, since it uses less digits than its factorization.

22190077802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11095038903.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 22190077802 in words is "twenty-two billion, one hundred ninety million, seventy-seven thousand, eight hundred two".