1992722830 has 32 divisors (see below), whose sum is σ = 4340454336. Its totient is φ = 643029504.

The previous prime is 1992722821. The next prime is 1992722833. The reversal of 1992722830 is 382272991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992722833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836089 + ... + 838468.

It is an arithmetic number, because the mean of its divisors is an integer number (135639198).

Almost surely, 2^1992722830 is an apocalyptic number.

1992722830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1992722830 is an abundant number, since it is smaller than the sum of its proper divisors (2347731506).

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

1992722830 is a wasteful number, since it uses less digits than its factorization.

1992722830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674588.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1992722830 is about 44639.9241710825. The cubic root of 1992722830 is about 1258.3910828088.

The spelling of 1992722830 in words is "one billion, nine hundred ninety-two million, seven hundred twenty-two thousand, eight hundred thirty".