1622144442 has 16 divisors (see below), whose sum is σ = 3269056032. Its totient is φ = 536586960.

The previous prime is 1622144423. The next prime is 1622144479. The reversal of 1622144442 is 2444412261.

It is a super-2 number, since 2×1622144442² = 5262705181422982728, which contains 22 as substring.

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, 1031113 + ... + 1032684.

It is an arithmetic number, because the mean of its divisors is an integer number (204316002).

Almost surely, 2^1622144442 is an apocalyptic number.

1622144442 is an abundant number, since it is smaller than the sum of its proper divisors (1646911590).

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

1622144442 is a wasteful number, since it uses less digits than its factorization.

1622144442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063933.

The product of its digits is 12288, while the sum is 30.

The square root of 1622144442 is about 40275.8543298587. The cubic root of 1622144442 is about 1174.9782864857.

The spelling of 1622144442 in words is "one billion, six hundred twenty-two million, one hundred forty-four thousand, four hundred forty-two".