1222545470 has 32 divisors (see below), whose sum is σ = 2254491360. Its totient is φ = 477066240.

The previous prime is 1222545451. The next prime is 1222545491. The reversal of 1222545470 is 745452221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584186 + ... + 586274.

It is an arithmetic number, because the mean of its divisors is an integer number (70452855).

Almost surely, 2^1222545470 is an apocalyptic number.

1222545470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222545470 is a deficient number, since it is larger than the sum of its proper divisors (1031945890).

1222545470 is a wasteful number, since it uses less digits than its factorization.

1222545470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 1222545470 is about 34964.9177033209. The cubic root of 1222545470 is about 1069.2723588125.

Adding to 1222545470 its reverse (745452221), we get a palindrome (1967997691).

The spelling of 1222545470 in words is "one billion, two hundred twenty-two million, five hundred forty-five thousand, four hundred seventy".