10115222445 has 48 divisors (see below), whose sum is σ = 18577907712. Its totient is φ = 5073753600.

The previous prime is 10115222399. The next prime is 10115222461. The reversal of 10115222445 is 54422251101.

It is a happy number.

It is not a de Polignac number, because 10115222445 - 2⁷ = 10115222317 is a prime.

It is a super-2 number, since 2×10115222445² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1268220 + ... + 1276170.

It is an arithmetic number, because the mean of its divisors is an integer number (387039744).

Almost surely, 2^10115222445 is an apocalyptic number.

10115222445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10115222445 is a deficient number, since it is larger than the sum of its proper divisors (8462685267).

10115222445 is a wasteful number, since it uses less digits than its factorization.

10115222445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9642 (or 9639 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 10115222445 its reverse (54422251101), we get a palindrome (64537473546).

The spelling of 10115222445 in words is "ten billion, one hundred fifteen million, two hundred twenty-two thousand, four hundred forty-five".