1228174073 has 6 divisors (see below), whose sum is σ = 1428692346. Its totient is φ = 1052720592.

The previous prime is 1228174063. The next prime is 1228174081. The reversal of 1228174073 is 3704718221.

It can be written as a sum of positive squares in only one way, i.e., 862714384 + 365459689 = 29372^2 + 19117^2 .

It is not a de Polignac number, because 1228174073 - 2⁶ = 1228174009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228174043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12532340 + ... + 12532437.

It is an arithmetic number, because the mean of its divisors is an integer number (238115391).

Almost surely, 2^1228174073 is an apocalyptic number.

It is an amenable number.

1228174073 is a deficient number, since it is larger than the sum of its proper divisors (200518273).

1228174073 is an equidigital number, since it uses as much as digits as its factorization.

1228174073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25064791 (or 25064784 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1228174073 is about 35045.3145655735. The cubic root of 1228174073 is about 1070.9108245913.

The spelling of 1228174073 in words is "one billion, two hundred twenty-eight million, one hundred seventy-four thousand, seventy-three".