2044022222402 has 4 divisors (see below), whose sum is σ = 3066033333606. Its totient is φ = 1022011111200.

The previous prime is 2044022222399. The next prime is 2044022222443. The reversal of 2044022222402 is 2042222204402.

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., 1226912890921 + 817109331481 = 1107661^2 + 903941^2 .

It is a super-2 number, since 2×2044022222402² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511005555599 + ... + 511005555602.

Almost surely, 2^{2044022222402} is an apocalyptic number.

2044022222402 is a deficient number, since it is larger than the sum of its proper divisors (1022011111204).

2044022222402 is a wasteful number, since it uses less digits than its factorization.

2044022222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022011111203.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2044022222402 its reverse (2042222204402), we get a palindrome (4086244426804).

The spelling of 2044022222402 in words is "two trillion, forty-four billion, twenty-two million, two hundred twenty-two thousand, four hundred two".