22686026487 has 16 divisors (see below), whose sum is σ = 31074129120. Its totient is φ = 14711196672.

The previous prime is 22686026483. The next prime is 22686026491. The reversal of 22686026487 is 78462068622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22686026483) and next prime (22686026491).

It is not a de Polignac number, because 22686026487 - 2² = 22686026483 is a prime.

It is a super-2 number, since 2×22686026487² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22686026483) 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 in 15 ways as a sum of consecutive naturals, for example, 405403 + ... + 457955.

It is an arithmetic number, because the mean of its divisors is an integer number (1942133070).

Almost surely, 2^22686026487 is an apocalyptic number.

22686026487 is a deficient number, since it is larger than the sum of its proper divisors (8388102633).

22686026487 is a wasteful number, since it uses less digits than its factorization.

22686026487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56482.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 22686026487 in words is "twenty-two billion, six hundred eighty-six million, twenty-six thousand, four hundred eighty-seven".