1497221070 has 16 divisors (see below), whose sum is σ = 3593330640. Its totient is φ = 399258944.

The previous prime is 1497221069. The next prime is 1497221107. The reversal of 1497221070 is 701227941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24953655 + ... + 24953714.

It is an arithmetic number, because the mean of its divisors is an integer number (224583165).

Almost surely, 2^1497221070 is an apocalyptic number.

1497221070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1497221070 is an abundant number, since it is smaller than the sum of its proper divisors (2096109570).

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

1497221070 is a wasteful number, since it uses less digits than its factorization.

1497221070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49907379.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 1497221070 is about 38693.9409985595. The cubic root of 1497221070 is about 1144.0068987269.

The spelling of 1497221070 in words is "one billion, four hundred ninety-seven million, two hundred twenty-one thousand, seventy".