7022272401 has 15 divisors (see below), whose sum is σ = 10491187993. Its totient is φ = 4681012140.

The previous prime is 7022272391. The next prime is 7022272421. The reversal of 7022272401 is 1042722207.

The square root of 7022272401 is 83799.

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

It is not a de Polignac number, because 7022272401 - 2¹⁵ = 7022239633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7022272421) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 749536 + ... + 758846.

Almost surely, 2^7022272401 is an apocalyptic number.

7022272401 is the 83799-th square number.

7022272401 is the 41900-th centered octagonal number.

It is an amenable number.

7022272401 is a deficient number, since it is larger than the sum of its proper divisors (3468915592).

7022272401 is an frugal number, since it uses more digits than its factorization.

7022272401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18634 (or 9314 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The cubic root of 7022272401 is about 1914.9578714881.

Multiplying 7022272401 by its product of nonzero digits (3136), we get a square (22021846249536 = 4692744²).

Adding to 7022272401 its reverse (1042722207), we get a palindrome (8064994608).

The spelling of 7022272401 in words is "seven billion, twenty-two million, two hundred seventy-two thousand, four hundred one".