1602222431 has 4 divisors (see below), whose sum is σ = 1610274000. Its totient is φ = 1594170864.

The previous prime is 1602222319. The next prime is 1602222437. The reversal of 1602222431 is 1342222061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1602222431 - 2¹⁰ = 1602221407 is a prime.

It is a super-2 number, since 2×1602222431² = 5134233436799099522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1602222397 and 1602222406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602222437) 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, 4025486 + ... + 4025883.

It is an arithmetic number, because the mean of its divisors is an integer number (402568500).

Almost surely, 2^1602222431 is an apocalyptic number.

1602222431 is a deficient number, since it is larger than the sum of its proper divisors (8051569).

1602222431 is an equidigital number, since it uses as much as digits as its factorization.

1602222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051568.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1602222431 is about 40027.7707473199. The cubic root of 1602222431 is about 1170.1483803828.

Adding to 1602222431 its reverse (1342222061), we get a palindrome (2944444492).

The spelling of 1602222431 in words is "one billion, six hundred two million, two hundred twenty-two thousand, four hundred thirty-one".