1226466560 has 72 divisors (see below), whose sum is σ = 3204877536. Its totient is φ = 445982720.

The previous prime is 1226466539. The next prime is 1226466569. The reversal of 1226466560 is 656646221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226466569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29474 + ... + 57633.

It is an arithmetic number, because the mean of its divisors is an integer number (44512188).

Almost surely, 2^1226466560 is an apocalyptic number.

1226466560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1226466560 is an abundant number, since it is smaller than the sum of its proper divisors (1978410976).

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

1226466560 is an equidigital number, since it uses as much as digits as its factorization.

1226466560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87139 (or 87125 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1226466560 is about 35020.9445903448. The cubic root of 1226466560 is about 1070.4143037064.

The spelling of 1226466560 in words is "one billion, two hundred twenty-six million, four hundred sixty-six thousand, five hundred sixty".