1226023164 has 36 divisors (see below), whose sum is σ = 3174706080. Its totient is φ = 398706240.

The previous prime is 1226023163. The next prime is 1226023193. The reversal of 1226023164 is 4613206221.

1226023164 is a `hidden beast` number, since 1 + 22 + 602 + 31 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226023163) 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, 413844 + ... + 416795.

It is an arithmetic number, because the mean of its divisors is an integer number (88186280).

Almost surely, 2^1226023164 is an apocalyptic number.

It is an amenable number.

1226023164 is an abundant number, since it is smaller than the sum of its proper divisors (1948682916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226023164 is a wasteful number, since it uses less digits than its factorization.

1226023164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830690 (or 830685 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1226023164 is about 35014.6135777621. The cubic root of 1226023164 is about 1070.2852949907.

Adding to 1226023164 its reverse (4613206221), we get a palindrome (5839229385).

The spelling of 1226023164 in words is "one billion, two hundred twenty-six million, twenty-three thousand, one hundred sixty-four".