22440243501 has 24 divisors (see below), whose sum is σ = 34934486496. Its totient is φ = 13798524960.

The previous prime is 22440243467. The next prime is 22440243523. The reversal of 22440243501 is 10534204422.

22440243501 is a `hidden beast` number, since 224 + 4 + 0 + 2 + 435 + 0 + 1 = 666.

It is not a de Polignac number, because 22440243501 - 2⁷ = 22440243373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440243101) 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, 75366 + ... + 224856.

It is an arithmetic number, because the mean of its divisors is an integer number (1455603604).

Almost surely, 2^22440243501 is an apocalyptic number.

It is an amenable number.

22440243501 is a deficient number, since it is larger than the sum of its proper divisors (12494242995).

22440243501 is a wasteful number, since it uses less digits than its factorization.

22440243501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150793 (or 150790 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22440243501 its reverse (10534204422), we get a palindrome (32974447923).

The spelling of 22440243501 in words is "twenty-two billion, four hundred forty million, two hundred forty-three thousand, five hundred one".