1220476472 has 8 divisors (see below), whose sum is σ = 2288393400. Its totient is φ = 610238232.

The previous prime is 1220476469. The next prime is 1220476493. The reversal of 1220476472 is 2746740221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76279772 + ... + 76279787.

It is an arithmetic number, because the mean of its divisors is an integer number (286049175).

Almost surely, 2^1220476472 is an apocalyptic number.

It is an amenable number.

1220476472 is a deficient number, since it is larger than the sum of its proper divisors (1067916928).

1220476472 is a wasteful number, since it uses less digits than its factorization.

1220476472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152559565 (or 152559561 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 1220476472 is about 34935.3184041594. The cubic root of 1220476472 is about 1068.6688170976.

The spelling of 1220476472 in words is "one billion, two hundred twenty million, four hundred seventy-six thousand, four hundred seventy-two".