2261425620 has 24 divisors (see below), whose sum is σ = 6331991904. Its totient is φ = 603046816.

The previous prime is 2261425613. The next prime is 2261425637. The reversal of 2261425620 is 265241622.

It is a happy number.

2261425620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261425620² = 10228091669584768800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18845154 + ... + 18845273.

It is an arithmetic number, because the mean of its divisors is an integer number (263832996).

Almost surely, 2^2261425620 is an apocalyptic number.

2261425620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2261425620 is an abundant number, since it is smaller than the sum of its proper divisors (4070566284).

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

2261425620 is a wasteful number, since it uses less digits than its factorization.

2261425620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37690439 (or 37690437 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2261425620 is about 47554.4490032216. The cubic root of 2261425620 is about 1312.5849973073.

The spelling of 2261425620 in words is "two billion, two hundred sixty-one million, four hundred twenty-five thousand, six hundred twenty".