22220220021022 has 4 divisors (see below), whose sum is σ = 33330330031536. Its totient is φ = 11110110010510.

The previous prime is 22220220021017. The next prime is 22220220021023. The reversal of 22220220021022 is 22012002202222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220220021023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555055005254 + ... + 5555055005257.

It is an arithmetic number, because the mean of its divisors is an integer number (8332582507884).

Almost surely, 2^{22220220021022} is an apocalyptic number.

22220220021022 is a deficient number, since it is larger than the sum of its proper divisors (11110110010514).

22220220021022 is a wasteful number, since it uses less digits than its factorization.

22220220021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110110010513.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22220220021022 its reverse (22012002202222), we get a palindrome (44232222223244).

The spelling of 22220220021022 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, twenty-two".