1422553 has 8 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 1276080.

The previous prime is 1422541. The next prime is 1422563. The reversal of 1422553 is 3552241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1422553 - 2⁵ = 1422521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51 + ... + 1687.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^1422553 is an apocalyptic number.

It is an amenable number.

1422553 is a deficient number, since it is larger than the sum of its proper divisors (149927).

1422553 is a wasteful number, since it uses less digits than its factorization.

1422553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727.

The product of its digits is 1200, while the sum is 22.

The square root of 1422553 is about 1192.7082627365. The cubic root of 1422553 is about 112.4664064305.

Adding to 1422553 its reverse (3552241), we get a palindrome (4974794).

It can be divided in two parts, 142 and 2553, that multiplied together give a triangular number (362526 = T₈₅₁).

The spelling of 1422553 in words is "one million, four hundred twenty-two thousand, five hundred fifty-three".