2261427212 has 48 divisors (see below), whose sum is σ = 4380230400. Its totient is φ = 1013031360.

The previous prime is 2261427211. The next prime is 2261427239. The reversal of 2261427212 is 2127241622.

It is a super-2 number, since 2×2261427212² = 10228106070348185888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261427211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036739 + ... + 1038917.

It is an arithmetic number, because the mean of its divisors is an integer number (91254800).

Almost surely, 2^2261427212 is an apocalyptic number.

2261427212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2261427212 is a deficient number, since it is larger than the sum of its proper divisors (2118803188).

2261427212 is a wasteful number, since it uses less digits than its factorization.

2261427212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526 (or 2524 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 2261427212 is about 47554.4657419259. The cubic root of 2261427212 is about 1312.5853053187.

Adding to 2261427212 its reverse (2127241622), we get a palindrome (4388668834).

The spelling of 2261427212 in words is "two billion, two hundred sixty-one million, four hundred twenty-seven thousand, two hundred twelve".