1642222462 has 4 divisors (see below), whose sum is σ = 2463333696. Its totient is φ = 821111230.

The previous prime is 1642222451. The next prime is 1642222499. The reversal of 1642222462 is 2642222461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2642222461 = 13309 ⋅198529.

It is a super-2 number, since 2×1642222462² = 5393789229394682888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 410555614 + ... + 410555617.

It is an arithmetic number, because the mean of its divisors is an integer number (615833424).

Almost surely, 2^1642222462 is an apocalyptic number.

1642222462 is a deficient number, since it is larger than the sum of its proper divisors (821111234).

1642222462 is an equidigital number, since it uses as much as digits as its factorization.

1642222462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821111233.

The product of its digits is 18432, while the sum is 31.

The square root of 1642222462 is about 40524.3440662523. The cubic root of 1642222462 is about 1179.8061689667.

Subtracting 1642222462 from its reverse (2642222461), we obtain a palindrome (999999999).

The spelling of 1642222462 in words is "one billion, six hundred forty-two million, two hundred twenty-two thousand, four hundred sixty-two".