1941022738 has 16 divisors (see below), whose sum is σ = 3063161304. Its totient is φ = 921248640.

The previous prime is 1941022703. The next prime is 1941022777. The reversal of 1941022738 is 8372201491.

It can be written as a sum of positive squares in 4 ways, for example, as 1578234529 + 362788209 = 39727^2 + 19047^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 1941022697 and 1941022706.

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, 316845 + ... + 322912.

Almost surely, 2^1941022738 is an apocalyptic number.

1941022738 is a deficient number, since it is larger than the sum of its proper divisors (1122138566).

1941022738 is a wasteful number, since it uses less digits than its factorization.

1941022738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639837.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1941022738 is about 44057.0395964141. The cubic root of 1941022738 is about 1247.4128330547.

The spelling of 1941022738 in words is "one billion, nine hundred forty-one million, twenty-two thousand, seven hundred thirty-eight".