1502221429 has 2 divisors, whose sum is σ = 1502221430. Its totient is φ = 1502221428.

The previous prime is 1502221411. The next prime is 1502221493. The reversal of 1502221429 is 9241222051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1449324900 + 52896529 = 38070^2 + 7273^2 .

It is a cyclic number.

It is not a de Polignac number, because 1502221429 - 2⁹ = 1502220917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1502221397 and 1502221406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1502221729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751110714 + 751110715.

It is an arithmetic number, because the mean of its divisors is an integer number (751110715).

Almost surely, 2^1502221429 is an apocalyptic number.

It is an amenable number.

1502221429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1502221429 is an equidigital number, since it uses as much as digits as its factorization.

1502221429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1502221429 is about 38758.5013771173. The cubic root of 1502221429 is about 1145.2790530292.

The spelling of 1502221429 in words is "one billion, five hundred two million, two hundred twenty-one thousand, four hundred twenty-nine".