1226863064 has 16 divisors (see below), whose sum is σ = 2628992400. Its totient is φ = 525798432.

The previous prime is 1226863061. The next prime is 1226863093. The reversal of 1226863064 is 4603686221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226863061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10954079 + ... + 10954190.

It is an arithmetic number, because the mean of its divisors is an integer number (164312025).

Almost surely, 2^1226863064 is an apocalyptic number.

1226863064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1226863064 is an abundant number, since it is smaller than the sum of its proper divisors (1402129336).

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

1226863064 is a wasteful number, since it uses less digits than its factorization.

1226863064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21908282 (or 21908278 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 1226863064 is about 35026.6050881326. The cubic root of 1226863064 is about 1070.5296425825.

The spelling of 1226863064 in words is "one billion, two hundred twenty-six million, eight hundred sixty-three thousand, sixty-four".