22648143049 has 9 divisors (see below), whose sum is σ = 26347024557. Its totient is φ = 19411791084.

The previous prime is 22648142983. The next prime is 22648143107. The reversal of 22648143049 is 94034184622.

The square root of 22648143049 is 150493.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 22648143049 - 2¹⁷ = 22648011977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22648142996 and 22648143014.

It is not an unprimeable number, because it can be changed into a prime (22648143449) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1042702 + ... + 1064200.

It is an arithmetic number, because the mean of its divisors is an integer number (2927447173).

Almost surely, 2^22648143049 is an apocalyptic number.

22648143049 is the 150493-rd square number.

22648143049 is the 75247-th centered octagonal number.

It is an amenable number.

22648143049 is a deficient number, since it is larger than the sum of its proper divisors (3698881508).

22648143049 is an frugal number, since it uses more digits than its factorization.

22648143049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43012 (or 21506 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 22648143049 in words is "twenty-two billion, six hundred forty-eight million, one hundred forty-three thousand, forty-nine".