1497003220 has 12 divisors (see below), whose sum is σ = 3143706804. Its totient is φ = 598801280.

The previous prime is 1497003203. The next prime is 1497003223. The reversal of 1497003220 is 223007941.

It can be written as a sum of positive squares in 2 ways, for example, as 665949636 + 831053584 = 25806^2 + 28828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497003223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37425061 + ... + 37425100.

It is an arithmetic number, because the mean of its divisors is an integer number (261975567).

Almost surely, 2^1497003220 is an apocalyptic number.

1497003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1497003220 is an abundant number, since it is smaller than the sum of its proper divisors (1646703584).

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

1497003220 is a wasteful number, since it uses less digits than its factorization.

1497003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74850170 (or 74850168 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1497003220 is about 38691.1258559376. The cubic root of 1497003220 is about 1143.9514105970.

The spelling of 1497003220 in words is "one billion, four hundred ninety-seven million, three thousand, two hundred twenty".