2261420612 has 48 divisors (see below), whose sum is σ = 4577072640. Its totient is φ = 967852800.

The previous prime is 2261420593. The next prime is 2261420627. The reversal of 2261420612 is 2160241622.

It is a super-2 number, since 2×2261420612² = 10228046368756909088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28064 + ... + 72872.

It is an arithmetic number, because the mean of its divisors is an integer number (95355680).

Almost surely, 2^2261420612 is an apocalyptic number.

2261420612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2261420612 is an abundant number, since it is smaller than the sum of its proper divisors (2315652028).

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

2261420612 is a wasteful number, since it uses less digits than its factorization.

2261420612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44892 (or 44890 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2261420612 is about 47554.3963477616. The cubic root of 2261420612 is about 1312.5840283859.

The spelling of 2261420612 in words is "two billion, two hundred sixty-one million, four hundred twenty thousand, six hundred twelve".