1620022334 has 16 divisors (see below), whose sum is σ = 2841767808. Its totient is φ = 678148632.

The previous prime is 1620022333. The next prime is 1620022379. The reversal of 1620022334 is 4332200261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620022333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344932 + ... + 1346135.

It is an arithmetic number, because the mean of its divisors is an integer number (177610488).

Almost surely, 2^1620022334 is an apocalyptic number.

1620022334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1620022334 is a deficient number, since it is larger than the sum of its proper divisors (1221745474).

1620022334 is a wasteful number, since it uses less digits than its factorization.

1620022334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691119.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1620022334 is about 40249.5010403856. The cubic root of 1620022334 is about 1174.4656895267.

Adding to 1620022334 its reverse (4332200261), we get a palindrome (5952222595).

The spelling of 1620022334 in words is "one billion, six hundred twenty million, twenty-two thousand, three hundred thirty-four".