1958022770 has 64 divisors (see below), whose sum is σ = 4285353600. Its totient is φ = 634844160.

The previous prime is 1958022767. The next prime is 1958022779. The reversal of 1958022770 is 772208591.

It is not an unprimeable number, because it can be changed into a prime (1958022779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7976 + ... + 63084.

It is an arithmetic number, because the mean of its divisors is an integer number (66958650).

Almost surely, 2^1958022770 is an apocalyptic number.

1958022770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1958022770 is an abundant number, since it is smaller than the sum of its proper divisors (2327330830).

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

1958022770 is a wasteful number, since it uses less digits than its factorization.

1958022770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55163.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 1958022770 is about 44249.5510711691. The cubic root of 1958022770 is about 1251.0439854328.

The spelling of 1958022770 in words is "one billion, nine hundred fifty-eight million, twenty-two thousand, seven hundred seventy".