1220766262 has 8 divisors (see below), whose sum is σ = 1910764656. Its totient is φ = 583844712.

The previous prime is 1220766247. The next prime is 1220766269. The reversal of 1220766262 is 2626670221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220766269) 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, 13269153 + ... + 13269244.

It is an arithmetic number, because the mean of its divisors is an integer number (238845582).

Almost surely, 2^1220766262 is an apocalyptic number.

1220766262 is a deficient number, since it is larger than the sum of its proper divisors (689998394).

1220766262 is a wasteful number, since it uses less digits than its factorization.

1220766262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26538422.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1220766262 is about 34939.4656799442. The cubic root of 1220766262 is about 1068.7533919982.

The spelling of 1220766262 in words is "one billion, two hundred twenty million, seven hundred sixty-six thousand, two hundred sixty-two".