1422572089 has 3 divisors (see below), whose sum is σ = 1422609807. Its totient is φ = 1422534372.

The previous prime is 1422572083. The next prime is 1422572093. The reversal of 1422572089 is 9802752241.

The square root of 1422572089 is 37717.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1410378025 + 12194064 = 37555^2 + 3492^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1422572089 is a prime.

It is a super-2 number, since 2×1422572089² = 4047422696803647842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422572083) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18859 + ... + 56575.

It is an arithmetic number, because the mean of its divisors is an integer number (474203269).

Almost surely, 2^1422572089 is an apocalyptic number.

1422572089 is the 37717-th square number.

1422572089 is the 18859-th centered octagonal number.

It is an amenable number.

1422572089 is a deficient number, since it is larger than the sum of its proper divisors (37718).

1422572089 is an frugal number, since it uses more digits than its factorization.

1422572089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75434 (or 37717 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The cubic root of 1422572089 is about 1124.6690948424.

The spelling of 1422572089 in words is "one billion, four hundred twenty-two million, five hundred seventy-two thousand, eighty-nine".