22040061501 has 16 divisors (see below), whose sum is σ = 29998797120. Its totient is φ = 14388416640.

The previous prime is 22040061497. The next prime is 22040061551. The reversal of 22040061501 is 10516004022.

It is not a de Polignac number, because 22040061501 - 2² = 22040061497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040061551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50191 + ... + 215868.

It is an arithmetic number, because the mean of its divisors is an integer number (1874924820).

Almost surely, 2^22040061501 is an apocalyptic number.

It is an amenable number.

22040061501 is a deficient number, since it is larger than the sum of its proper divisors (7958735619).

22040061501 is a wasteful number, since it uses less digits than its factorization.

22040061501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266636.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 22040061501 its reverse (10516004022), we get a palindrome (32556065523).

The spelling of 22040061501 in words is "twenty-two billion, forty million, sixty-one thousand, five hundred one".