1471223812 has 12 divisors (see below), whose sum is σ = 2575466460. Its totient is φ = 735376256.

The previous prime is 1471223807. The next prime is 1471223837. The reversal of 1471223812 is 2183221741.

It can be written as a sum of positive squares in 2 ways, for example, as 689797696 + 781426116 = 26264^2 + 27954^2 .

It is a super-2 number, since 2×1471223812² = 4328999009991622688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44473 + ... + 70144.

It is an arithmetic number, because the mean of its divisors is an integer number (214622205).

Almost surely, 2^1471223812 is an apocalyptic number.

It is an amenable number.

1471223812 is a deficient number, since it is larger than the sum of its proper divisors (1104242648).

1471223812 is a wasteful number, since it uses less digits than its factorization.

1471223812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117830 (or 117828 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 1471223812 is about 38356.5354535573. The cubic root of 1471223812 is about 1137.3468133608.

The spelling of 1471223812 in words is "one billion, four hundred seventy-one million, two hundred twenty-three thousand, eight hundred twelve".