1473722220 has 48 divisors (see below), whose sum is σ = 4130028000. Its totient is φ = 392649216.

The previous prime is 1473722207. The next prime is 1473722281. The reversal of 1473722220 is 222273741.

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

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, 62656 + ... + 82904.

It is an arithmetic number, because the mean of its divisors is an integer number (86042250).

Almost surely, 2^1473722220 is an apocalyptic number.

1473722220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1473722220 is an abundant number, since it is smaller than the sum of its proper divisors (2656305780).

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

1473722220 is a wasteful number, since it uses less digits than its factorization.

1473722220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21474 (or 21472 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 1473722220 is about 38389.0898563641. The cubic root of 1473722220 is about 1137.9902571331.

Adding to 1473722220 its reverse (222273741), we get a palindrome (1695995961).

The spelling of 1473722220 in words is "one billion, four hundred seventy-three million, seven hundred twenty-two thousand, two hundred twenty".