22450140521450 has 48 divisors (see below), whose sum is σ = 43704435076416. Its totient is φ = 8563668326400.

The previous prime is 22450140521423. The next prime is 22450140521453. The reversal of 22450140521450 is 5412504105422.

It is a self number, because there is not a number n which added to its sum of digits gives 22450140521450.

It is not an unprimeable number, because it can be changed into a prime (22450140521453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29108567 + ... + 29869866.

It is an arithmetic number, because the mean of its divisors is an integer number (910509064092).

Almost surely, 2^{22450140521450} is an apocalyptic number.

22450140521450 is a deficient number, since it is larger than the sum of its proper divisors (21254294554966).

22450140521450 is a wasteful number, since it uses less digits than its factorization.

22450140521450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58978799 (or 58978794 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 22450140521450 its reverse (5412504105422), we get a palindrome (27862644626872).

The spelling of 22450140521450 in words is "twenty-two trillion, four hundred fifty billion, one hundred forty million, five hundred twenty-one thousand, four hundred fifty".