1450221402 has 32 divisors (see below), whose sum is σ = 3316579200. Its totient is φ = 414125568.

The previous prime is 1450221391. The next prime is 1450221463. The reversal of 1450221402 is 2041220541.

It is a super-2 number, since 2×1450221402² = 4206284229637691208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79474 + ... + 96002.

It is an arithmetic number, because the mean of its divisors is an integer number (103643100).

Almost surely, 2^1450221402 is an apocalyptic number.

1450221402 is an abundant number, since it is smaller than the sum of its proper divisors (1866357798).

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

1450221402 is a wasteful number, since it uses less digits than its factorization.

1450221402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18630.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1450221402 is about 38081.7725690389. The cubic root of 1450221402 is about 1131.9088008745.

Adding to 1450221402 its reverse (2041220541), we get a palindrome (3491441943).

The spelling of 1450221402 in words is "one billion, four hundred fifty million, two hundred twenty-one thousand, four hundred two".