2261225542 has 16 divisors (see below), whose sum is σ = 3554917632. Its totient is φ = 1076686600.

The previous prime is 2261225509. The next prime is 2261225569. The reversal of 2261225542 is 2455221622.

It is a super-2 number, since 2×2261225542² = 10226281903586387528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97834 + ... + 118717.

It is an arithmetic number, because the mean of its divisors is an integer number (222182352).

Almost surely, 2^2261225542 is an apocalyptic number.

2261225542 is a deficient number, since it is larger than the sum of its proper divisors (1293692090).

2261225542 is a wasteful number, since it uses less digits than its factorization.

2261225542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216803.

The product of its digits is 19200, while the sum is 31.

The square root of 2261225542 is about 47552.3452839079. The cubic root of 2261225542 is about 1312.5462861621.

The spelling of 2261225542 in words is "two billion, two hundred sixty-one million, two hundred twenty-five thousand, five hundred forty-two".