1922331402 has 12 divisors (see below), whose sum is σ = 4165051410. Its totient is φ = 640777128.

The previous prime is 1922331401. The next prime is 1922331407. The reversal of 1922331402 is 2041332291.

It is a happy number.

1922331402 is a `hidden beast` number, since 1 + 9 + 223 + 31 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1517959521 + 404371881 = 38961^2 + 20109^2 .

It is a super-3 number, since 3×1922331402³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1922331401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53398077 + ... + 53398112.

Almost surely, 2^1922331402 is an apocalyptic number.

1922331402 is an abundant number, since it is smaller than the sum of its proper divisors (2242720008).

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

1922331402 is a wasteful number, since it uses less digits than its factorization.

1922331402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106796197 (or 106796194 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1922331402 is about 43844.3998932589. The cubic root of 1922331402 is about 1243.3958689030.

Adding to 1922331402 its reverse (2041332291), we get a palindrome (3963663693).

It can be divided in two parts, 19223 and 31402, that added together give a 4-th power (50625 = 15⁴).

The spelling of 1922331402 in words is "one billion, nine hundred twenty-two million, three hundred thirty-one thousand, four hundred two".