1958842226 has 16 divisors (see below), whose sum is σ = 3208308480. Its totient is φ = 889568880.

The previous prime is 1958842201. The next prime is 1958842279. The reversal of 1958842226 is 6222488591.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15746 + ... + 64541.

It is an arithmetic number, because the mean of its divisors is an integer number (200519280).

Almost surely, 2^1958842226 is an apocalyptic number.

1958842226 is a deficient number, since it is larger than the sum of its proper divisors (1249466254).

1958842226 is a wasteful number, since it uses less digits than its factorization.

1958842226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81409.

The product of its digits is 552960, while the sum is 47.

The square root of 1958842226 is about 44258.8095863411. The cubic root of 1958842226 is about 1251.2184867261.

The spelling of 1958842226 in words is "one billion, nine hundred fifty-eight million, eight hundred forty-two thousand, two hundred twenty-six".