1967422090 has 16 divisors (see below), whose sum is σ = 3637072872. Its totient is φ = 765699264.

The previous prime is 1967422073. The next prime is 1967422097. The reversal of 1967422090 is 902247691.

It can be written as a sum of positive squares in 4 ways, for example, as 1739140209 + 228281881 = 41703^2 + 15109^2 .

It is not an unprimeable number, because it can be changed into a prime (1967422097) 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, 2658309 + ... + 2659048.

Almost surely, 2^1967422090 is an apocalyptic number.

1967422090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1967422090 is a deficient number, since it is larger than the sum of its proper divisors (1669650782).

1967422090 is a wasteful number, since it uses less digits than its factorization.

1967422090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317401.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1967422090 is about 44355.6319986538. The cubic root of 1967422090 is about 1253.0426337614.

The spelling of 1967422090 in words is "one billion, nine hundred sixty-seven million, four hundred twenty-two thousand, ninety".