2261554212 has 96 divisors (see below), whose sum is σ = 5829626880. Its totient is φ = 679916160.

The previous prime is 2261554187. The next prime is 2261554261. The reversal of 2261554212 is 2124551622.

It is a super-2 number, since 2×2261554212² = 10229254907629881888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2261554212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340887 + ... + 347457.

It is an arithmetic number, because the mean of its divisors is an integer number (60725280).

Almost surely, 2^2261554212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2261554212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2914813440).

2261554212 is an abundant number, since it is smaller than the sum of its proper divisors (3568072668).

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

2261554212 is a wasteful number, since it uses less digits than its factorization.

2261554212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673 (or 6671 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2261554212 is about 47555.8010341536. The cubic root of 2261554212 is about 1312.6098761166.

The spelling of 2261554212 in words is "two billion, two hundred sixty-one million, five hundred fifty-four thousand, two hundred twelve".