1402220239 has 8 divisors (see below), whose sum is σ = 1639806080. Its totient is φ = 1173951576.

The previous prime is 1402220233. The next prime is 1402220243. The reversal of 1402220239 is 9320222041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1402220239 - 2⁷ = 1402220111 is a prime.

It is a super-2 number, since 2×1402220239² = 3932443197322434242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402220233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328969 + ... + 2329570.

It is an arithmetic number, because the mean of its divisors is an integer number (204975760).

Almost surely, 2^1402220239 is an apocalyptic number.

1402220239 is a deficient number, since it is larger than the sum of its proper divisors (237585841).

1402220239 is an equidigital number, since it uses as much as digits as its factorization.

1402220239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658589.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1402220239 is about 37446.2313057002. The cubic root of 1402220239 is about 1119.2800004122.

The spelling of 1402220239 in words is "one billion, four hundred two million, two hundred twenty thousand, two hundred thirty-nine".