1622022451 has 12 divisors (see below), whose sum is σ = 1892460648. Its totient is φ = 1386165312.

The previous prime is 1622022449. The next prime is 1622022463. The reversal of 1622022451 is 1542202261.

It is not a de Polignac number, because 1622022451 - 2¹ = 1622022449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1622022251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32601 + ... + 65626.

It is an arithmetic number, because the mean of its divisors is an integer number (157705054).

Almost surely, 2^1622022451 is an apocalyptic number.

1622022451 is a deficient number, since it is larger than the sum of its proper divisors (270438197).

1622022451 is an equidigital number, since it uses as much as digits as its factorization.

1622022451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98578 (or 98571 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1622022451 is about 40274.3398580287. The cubic root of 1622022451 is about 1174.9488315729.

The spelling of 1622022451 in words is "one billion, six hundred twenty-two million, twenty-two thousand, four hundred fifty-one".