22045014542 has 4 divisors (see below), whose sum is σ = 33067521816. Its totient is φ = 11022507270.

The previous prime is 22045014533. The next prime is 22045014547. The reversal of 22045014542 is 24541054022.

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 (22045014547) by changing a digit.

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 as a sum of consecutive naturals, namely, 5511253634 + ... + 5511253637.

It is an arithmetic number, because the mean of its divisors is an integer number (8266880454).

Almost surely, 2^22045014542 is an apocalyptic number.

22045014542 is a deficient number, since it is larger than the sum of its proper divisors (11022507274).

22045014542 is a wasteful number, since it uses less digits than its factorization.

22045014542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022507273.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 22045014542 its reverse (24541054022), we get a palindrome (46586068564).

The spelling of 22045014542 in words is "twenty-two billion, forty-five million, fourteen thousand, five hundred forty-two".