2261557467 has 12 divisors (see below), whose sum is σ = 3517978464. Its totient is φ = 1391727600.

The previous prime is 2261557429. The next prime is 2261557469. The reversal of 2261557467 is 7647551622.

2261557467 is a `hidden beast` number, since 2 + 2 + 6 + 15 + 574 + 67 = 666.

It is not a de Polignac number, because 2261557467 - 2⁷ = 2261557339 is a prime.

It is a super-2 number, since 2×2261557467² = 10229284353086912178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2261557469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9664659 + ... + 9664892.

It is an arithmetic number, because the mean of its divisors is an integer number (293164872).

Almost surely, 2^2261557467 is an apocalyptic number.

2261557467 is a deficient number, since it is larger than the sum of its proper divisors (1256420997).

2261557467 is a wasteful number, since it uses less digits than its factorization.

2261557467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19329570 (or 19329567 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 2261557467 is about 47555.8352570954. The cubic root of 2261557467 is about 1312.6105058522.

The spelling of 2261557467 in words is "two billion, two hundred sixty-one million, five hundred fifty-seven thousand, four hundred sixty-seven".