10221746745 has 16 divisors (see below), whose sum is σ = 18691194240. Its totient is φ = 4672798464.

The previous prime is 10221746741. The next prime is 10221746807. The reversal of 10221746745 is 54764712201.

It is not a de Polignac number, because 10221746745 - 2² = 10221746741 is a prime.

It is a super-3 number, since 3×10221746745³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10221746741) 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, 48674880 + ... + 48675089.

It is an arithmetic number, because the mean of its divisors is an integer number (1168199640).

Almost surely, 2^10221746745 is an apocalyptic number.

10221746745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10221746745 is a deficient number, since it is larger than the sum of its proper divisors (8469447495).

10221746745 is an equidigital number, since it uses as much as digits as its factorization.

10221746745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97349984.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 10221746745 in words is "ten billion, two hundred twenty-one million, seven hundred forty-six thousand, seven hundred forty-five".