22073142770 has 32 divisors (see below), whose sum is σ = 45638131968. Its totient is φ = 7529514048.

The previous prime is 22073142719. The next prime is 22073142893. The reversal of 22073142770 is 7724137022.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 22073142770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786542 + ... + 814121.

It is an arithmetic number, because the mean of its divisors is an integer number (1426191624).

Almost surely, 2^22073142770 is an apocalyptic number.

22073142770 is an abundant number, since it is smaller than the sum of its proper divisors (23564989198).

22073142770 is a wasteful number, since it uses less digits than its factorization.

22073142770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600874.

The product of its (nonzero) digits is 32928, while the sum is 35.

Adding to 22073142770 its reverse (7724137022), we get a palindrome (29797279792).

The spelling of 22073142770 in words is "twenty-two billion, seventy-three million, one hundred forty-two thousand, seven hundred seventy".