10222122987 has 12 divisors (see below), whose sum is σ = 15542409480. Its totient is φ = 6456077568.

The previous prime is 10222122983. The next prime is 10222122991. The reversal of 10222122987 is 78922122201.

It is an interprime number because it is at equal distance from previous prime (10222122983) and next prime (10222122991).

It is not a de Polignac number, because 10222122987 - 2² = 10222122983 is a prime.

It is a super-2 number, since 2×10222122987² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10222122983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29889078 + ... + 29889419.

It is an arithmetic number, because the mean of its divisors is an integer number (1295200790).

Almost surely, 2^10222122987 is an apocalyptic number.

10222122987 is a deficient number, since it is larger than the sum of its proper divisors (5320286493).

10222122987 is a wasteful number, since it uses less digits than its factorization.

10222122987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59778522 (or 59778519 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 10222122987 in words is "ten billion, two hundred twenty-two million, one hundred twenty-two thousand, nine hundred eighty-seven".