1722471412 has 6 divisors (see below), whose sum is σ = 3014324978. Its totient is φ = 861235704.

The previous prime is 1722471407. The next prime is 1722471419. The reversal of 1722471412 is 2141742271.

It can be written as a sum of positive squares in only one way, i.e., 1272776976 + 449694436 = 35676^2 + 21206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722471419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215308923 + ... + 215308930.

Almost surely, 2^1722471412 is an apocalyptic number.

It is an amenable number.

1722471412 is a deficient number, since it is larger than the sum of its proper divisors (1291853566).

1722471412 is a wasteful number, since it uses less digits than its factorization.

1722471412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430617857 (or 430617855 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 1722471412 is about 41502.6675287264. The cubic root of 1722471412 is about 1198.7188669945.

The spelling of 1722471412 in words is "one billion, seven hundred twenty-two million, four hundred seventy-one thousand, four hundred twelve".